Bulldozer rear axle housing machining method and machining system

Abstract

The application provides a bulldozer rear axle housing processing method and a processing system, and belongs to the technical field of rear axle housing processing. The method comprises the following steps: fixing an original workpiece to a first tool, and fixing the first tool to a zero positioning system; using a machine tool system to process the first opposite surface of the original workpiece to obtain a primary workpiece. The primary workpiece is fixed to a second tool from the first tool, and the second tool is fixed to the zero positioning system; using a Renishaw measuring system to measure the reference surface to obtain reference surface data and calculate the zero point of the primary workpiece according to the reference surface data, and then creating a reference coordinate system; using the machine tool system to process the second and third opposite surfaces of the primary workpiece according to the reference coordinate system to obtain a finished rear axle housing workpiece. The application simplifies the processing flow of the rear axle housing, uses the zero positioning system and the Renishaw measuring system to replace manual positioning and alignment, and improves the accuracy and efficiency of the processing of the rear axle housing.

Description

Technical Field

[0001] This invention relates to a method and system for machining a bulldozer rear axle box, belonging to the field of rear axle box machining technology. Background Technology

[0002] In traditional rear axle housing machining, since the rear axle housing is a 6-sided housing, it is often machined by a series of processes, such as gantry milling, drilling, and boring. Alternatively, a gantry milling machine or a boring machine combined with a drilling machine can be used. All of these machining methods require the workpiece to be rotated and flipped multiple times, which means that it needs to be aligned multiple times during machining. Traditional machining methods use center-based or trial-cutting methods for workpiece alignment, which is not only inefficient and inaccurate, but also limited by the skill level of the operators on site.

[0003] In addition, in traditional processing, the measurement of holes after processing is achieved by tools such as calipers or internal micrometers. The accuracy of the inspection results depends on the accuracy of the measuring instruments and the experience level of the workers. Furthermore, the positional dimensions such as perpendicularity and parallelism on the workpiece cannot be measured and confirmed. The final measurement can only be carried out after the workpiece is processed. However, measuring after completion will cause problematic workpieces to need to be reworked, workpieces with insufficient dimensions to need to be welded, and even workpieces that cannot be reworked must be scrapped. Therefore, a lot of manpower and resources are wasted.

[0004] In summary, existing rear axle housing processing technology suffers from numerous processes, poor alignment accuracy, and low production efficiency. There is an urgent need for a new, efficient processing method to reduce manual intervention and effectively avoid poor product quality. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a method for processing the rear axle box of a bulldozer. By simplifying the processing flow of the rear axle box of a bulldozer and using a zero-point positioning system and a Renishaw measurement system to replace manual positioning and alignment, the accuracy and efficiency of the rear axle box processing are greatly improved.

[0006] To achieve the above objectives, the present invention is implemented using the following technical solution: In a first aspect, the present invention provides a method for processing a bulldozer rear axle housing, comprising: The original workpiece to be processed is fixed to the first tooling, and the first operation is performed, including: fixing the first tooling to the zero-point positioning system; and using the machine tool system to process the first opposing surface of the original workpiece to obtain the primary workpiece of the rear axle box.

[0007] The primary workpiece of the rear axle housing is replaced and fixed from the first tooling to the second tooling, and the second process is performed, including: The second tooling is fixed to the zero-point positioning system; the reference surface after the first opposing surface is machined is measured using the Renishaw measuring system to obtain the reference surface data; the zero point of the primary workpiece of the rear axle box is calculated using the Renishaw measuring system based on the reference surface data, and a reference coordinate system is created; the primary workpiece of the rear axle box is machined using the machine tool system based on the reference coordinate system to obtain the finished workpiece of the rear axle box.

[0008] In conjunction with the first aspect, optionally, before guiding the machine tool system to process the second and third opposing surfaces of the primary workpiece of the rear axle housing according to the reference coordinate system, the method further includes: using a Renishaw measuring system to detect whether the dimensional deviation of the primary workpiece of the rear axle housing exceeds a preset allowable range; in response to the Renishaw measuring system detecting that the primary workpiece of the rear axle housing has a dimensional deviation exceeding the preset allowable range, the machine tool system stops program operation and issues an alarm, guiding the operator to correct relevant parameters according to the dimensional deviation detected by the Renishaw measuring system.

[0009] In conjunction with the first aspect, optionally, the machining of the first opposing surface of the original workpiece using the machine tool system and the machining of the second and third opposing surfaces of the primary workpiece of the rear axle housing using the machine tool system include: measuring the size of the surface, groove, and hole to be machined using a Renishaw measuring system during the machining process to assist the machine tool system in determining the machining position and machining dimensions; and using the Renishaw measuring system to check the dimensional deviations of the machined surface, groove, and hole. If the dimensional deviation is within a preset allowable deviation range, the machining of the current surface, groove, or hole is completed. If the dimensional deviation exceeds the preset allowable deviation range, the machine tool system is guided to correct the dimensions of the current surface, groove, or hole based on the detected dimensional deviation.

[0010] In conjunction with the first aspect, optionally, the machining of the first opposing surface of the original workpiece using the machine tool system and the machining of the second and third opposing surfaces of the primary workpiece of the rear axle housing using the machine tool system further include: using a tool detection system to monitor the status of the tools included in the machine tool system; in response to the tool detection system detecting tool breakage, tool wear exceeding a preset level, or abnormal machine tool load, the machine tool system stops program operation and issues an alarm.

[0011] In conjunction with the first aspect, optionally, the machining of the second and third opposing surfaces of the primary workpiece of the rear axle housing using a machine tool system includes: employing a small-diameter workpiece back-scraping stop operation method, using a back-scraping tool equipped with the machine tool system to cut holes of different diameters or thicknesses.

[0012] Secondly, the present invention provides a bulldozer rear axle housing machining system, comprising: a first fixture for fixing a raw workpiece to be machined; a second fixture for fixing a primary rear axle housing workpiece; a machine tool system for machining a first opposing surface of the raw workpiece in a first operation to obtain a primary rear axle housing workpiece, and for machining a second opposing surface and a third opposing surface of the primary rear axle housing workpiece in a second operation according to a reference coordinate system to obtain a finished rear axle housing workpiece; a zero-point positioning system for achieving zero-point positioning of the first and second fixtures; and a Renishaw measurement system for measuring the reference surface after machining the first opposing surface to obtain reference surface data, and for calculating the zero point of the primary rear axle housing workpiece according to the reference surface data and creating the reference coordinate system.

[0013] In conjunction with the second aspect, optionally, the bottom of the first and second tooling is provided with a positioning structure corresponding to the locking device of the zero-point positioning system; the fixed platform of the second tooling is provided with a fixing threaded hole corresponding to the position of the preset pull-down threaded hole in the first opposing surface, for fixing the plane where the preset pull-down threaded hole in the primary workpiece of the rear axle box is located on the fixed platform of the second tooling by bolts.

[0014] In conjunction with the second aspect, optionally, the bulldozer rear axle housing machining system also includes: a tool detection system; used to monitor the status of the tools included in the machine tool system; the machine tool system is also used to: stop program operation and issue an alarm in response to the tool detection system detecting tool breakage, tool wear exceeding a preset level, or abnormal machine tool load.

[0015] In conjunction with the second aspect, optionally, the machine tool system includes two worktables, which are respectively used to perform the first process and the second process.

[0016] In conjunction with the second aspect, optionally, the Renishaw measurement system is also used to: detect whether the dimensional deviation of the primary workpiece of the rear axle housing exceeds a preset allowable range; The machine tool system is also used to: in response to the Renishaw measuring system detecting a dimensional deviation in the primary workpiece of the rear axle housing that exceeds a preset allowable range, stop program operation and issue an alarm, guiding the operator to correct relevant parameters based on the dimensional deviation detected by the Renishaw measuring system.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: (1) The bulldozer rear axle box processing method provided by the present invention adopts a two-process combination processing method. The two processes are completed on special tooling respectively. The first process completes the processing of the first opposite surface. The second process takes the first opposite surface completed in the first process as the reference and completes the processing of the remaining 4 sides of the rear axle box in one go. During the tooling change process, the zero-point positioning system is used as the link between the machine tool system and the tooling to realize the rapid positioning of the tooling, so that the processing reference of the two processes is consistent with the design reference. At the same time, after the second process completes the positioning and fixing, the Renishaw measurement system is used for automatic alignment to ensure that the relative position accuracy between each side of the rear axle box can meet the requirements. By optimizing the processing flow of the rear axle box, the processing efficiency is improved. The processing accuracy and product quality are guaranteed by the zero-point positioning system and the Renishaw measurement system. (2) The bulldozer rear axle box processing method provided by the present invention uses a Renishaw measurement system to detect the dimensional deviation of the primary workpiece of the rear axle box after the first relative surface processing is completed. If the dimensional deviation of the primary workpiece of the rear axle box processed in the first process exceeds the preset allowable range, the operator can correct the relevant parameters according to the dimensional deviation detected by the Renishaw measurement system. At the same time, the Renishaw measurement system is also used to measure the size of the surface, groove and hole to be processed during the processing, as well as to inspect the size of the processed surface, groove and hole. This greatly improves the product qualification rate and avoids the waste of resources caused by dimensional deviation. (3) The second tooling in the bulldozer rear axle box processing system provided by the present invention adopts a bottom pull-down fixing method instead of the traditional side clamping fixing method. In the second process, by setting the fixing point of the primary workpiece of the rear axle box on the fixing table of the second tooling and the first opposite surface of the primary workpiece of the rear axle box that has been processed, the processing of the remaining four sides of the rear axle box can be completed in one go in the second process, which greatly simplifies the processing flow of the rear axle box and improves the processing efficiency of the workpiece. (4) The bulldozer rear axle box processing system provided by the present invention adopts a dual-station machine tool system, and each process is carried out in different stations. This can achieve seamless connection of processing. After one process is completed, another process can be carried out by simply exchanging worktables, avoiding waiting time for changing parts, improving processing efficiency and reducing operational intensity. Attached Figure Description

[0018] Figure 1 This is a flowchart of the bulldozer rear axle box processing method provided in Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the zero-point positioning system provided in Embodiment 1 of the present invention; Figure 3 This is a physical diagram of the Renishaw measurement system provided in Embodiment 1 of the present invention; Figure 4This illustrates the machining effect in Embodiment 4 of the present invention without the use of an anti-vibration boring tool; Figure 5 This is the machining effect after using a shock-resistant boring tool in Embodiment 4 of the present invention; Figure 6 This is a physical image of the anti-scraper provided in Embodiment 4 of the present invention. Detailed Implementation

[0019] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus. The technical solutions of the embodiments of this application will now be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Example 1

[0020] This embodiment provides a method for processing the rear axle box of a bulldozer, such as... Figure 1 As shown, it includes the following steps: Step 1: Fix the original workpiece to be processed to the first tooling, execute the first operation, and process the first opposite surface of the rear axle box to obtain the primary workpiece of the rear axle box.

[0021] Specifically, the first step includes: Step 11: Fix the first tooling to the zero-point positioning system.

[0022] Specifically, the first tooling is a special tooling for processing the rear axle box. Zero-point positioning is achieved through a zero-point positioning system. The bottom of the first tooling is equipped with a positioning structure corresponding to the locking device of the zero-point positioning system.

[0023] A known zero-point positioning system is a unique positioning and locking device that keeps the zero point constant while moving a workpiece from one station to another, from one process to another, or from one machine tool to another. By integrating high-precision positioning and reliable, efficient clamping, it saves auxiliary time spent re-aligning the zero point, ensuring work continuity and improving work efficiency.

[0024] like Figure 2As shown in this embodiment, the base plate of the zero-point positioning system is equipped with a coarse guide, a positioner, an auxiliary support, a positioning key, and a manual sliding valve. The coarse guide, positioner, and auxiliary support serve as locking devices, while the manual sliding valve is used for air intake and unlocking.

[0025] Step 12: Use a machine tool system to process the first opposing surface of the original workpiece to obtain the primary workpiece of the rear axle housing.

[0026] Specifically, the machine tool system performs milling, drilling, and boring operations on the original workpiece; during the machining process, it uses, for example... Figure 3 The Renishaw measuring system shown measures the size of the face, groove, and hole to be machined to assist the machine tool system in determining the machining position and dimensions. The Renishaw measuring system is also used to check the dimensional deviations of the machined face, groove, and hole. If the dimensional deviation is within the preset allowable deviation range, the machining of the current face, groove, or hole is completed. If the dimensional deviation exceeds the preset allowable deviation range, the machine tool system is guided to correct the dimensions of the current face, groove, or hole based on the detected dimensional deviation.

[0027] In addition, during the first processing step, a tool detection system is used to monitor the status of the tools included in the machine tool system. If the tool detection system detects tool breakage, tool wear exceeding a preset level, or abnormal machine tool load, the machine tool system stops program operation and issues an alarm.

[0028] It should be noted that, among the six surfaces of the rear axle housing, one surface is pre-designed as the reference surface for the second tooling. This surface contains fixing holes corresponding to the fixing table of the second tooling, used in the second process to fix the primary workpiece of the rear axle housing onto the fixing table of the second tooling using a bottom pull-down fixing method. This surface and its opposite surface are the first opposite surface, which are processed in the first process. The other two sets of opposite surfaces are the second and third opposite surfaces, which are not distinguished and are both processed in the second process.

[0029] Step 2: Change and fix the primary part of the rear axle housing from the first tooling to the second tooling.

[0030] Step 3: After changing the tooling, perform the second process to complete the machining of the second and third opposing surfaces in one go, and obtain the finished rear axle box workpiece.

[0031] Specifically, the second process includes: Step 31: Fix the second tooling to the zero-point positioning system.

[0032] Specifically, the bottom of the second tooling is also equipped with a positioning structure corresponding to the locking device of the zero-point positioning system, and zero-point positioning is also achieved through the zero-point positioning system.

[0033] Step 32: Use the Renishaw measuring system to check whether the dimensional deviation of the primary workpiece of the rear axle housing exceeds the preset allowable range.

[0034] Specifically, if the Renishaw measuring system detects a dimensional deviation in the primary workpiece of the rear axle housing that exceeds the preset allowable range, the machine tool system will stop program operation and issue an alarm, guiding the operator to correct the relevant parameters based on the dimensional deviation detected by the Renishaw measuring system.

[0035] Step 33: Use the Renishaw measurement system to automatically measure the reference surface after the first opposing surface has been processed to obtain the reference surface data.

[0036] Step 34: Calculate the zero point of the primary workpiece of the rear axle box using the Renishaw measurement system based on the reference surface data, and create a reference coordinate system.

[0037] Step 35: Using the machine tool system, perform one-time machining of the second and third opposing surfaces of the primary workpiece of the rear axle box according to the reference coordinate system to obtain the finished workpiece of the rear axle box.

[0038] Specifically, the machine tool system performs milling, drilling, boring, and back-scraping operations on the primary workpiece of the rear axle housing. The back-scraping operation includes using a small-diameter workpiece back-scraping stop operation method, and using the back-scraping tool equipped with the machine tool system to cut holes of different diameters or thicknesses.

[0039] During the machining process, the Renishaw measuring system is used to measure the size of the surfaces, grooves, and holes to be machined, in order to assist the machine tool system in determining the machining position and dimensions. The Renishaw measuring system is also used to check the dimensional deviations of the machined surfaces, grooves, and holes. If the dimensional deviations are within the preset allowable deviation range, the machining of the corresponding surfaces, grooves, and holes is completed. If the dimensional deviations exceed the preset allowable deviation range, the machine tool system is guided to make dimensional corrections based on the detected dimensional deviations.

[0040] In addition, during the second processing step, a tool detection system is used to monitor the status of the tools included in the machine tool system. If the tool detection system detects tool breakage, tool wear exceeding a preset level, or abnormal machine tool load, the machine tool system stops program operation and issues an alarm. Example 2

[0041] This embodiment provides a bulldozer rear axle housing processing system, including: First tooling: used to fix the original workpiece to be processed.

[0042] Second tooling: used to fix the primary workpiece of the rear axle housing.

[0043] Machine tool system: used to process the first opposing surface of the original workpiece in the first process to obtain the primary workpiece of the rear axle box, and to process the second and third opposing surfaces of the primary workpiece of the rear axle box in the second process according to the reference coordinate system to obtain the finished workpiece of the rear axle box.

[0044] Zero-point positioning system: used to achieve zero-point positioning of the first tooling and the second tooling.

[0045] Renishaw measurement system: used to measure the reference surface after the first opposing surface is machined, obtain reference surface data, calculate the zero point of the primary workpiece of the rear axle box based on the reference surface data, and create the reference coordinate system.

[0046] A tool inspection system; used to monitor the status of the tools included in the machine tool system; The machine tool system is also used to: stop program operation and issue an alarm in response to the tool detection system detecting tool breakage, tool wear exceeding a preset level, or abnormal machine tool load.

[0047] The Renishaw measurement system is also used to: detect whether the dimensional deviation of the primary workpiece of the rear axle housing exceeds the preset allowable range; The machine tool system is also used to: in response to the Renishaw measuring system detecting a dimensional deviation in the primary workpiece of the rear axle housing that exceeds a preset allowable range, stop program operation and issue an alarm, guiding the operator to correct relevant parameters based on the dimensional deviation detected by the Renishaw measuring system. Example 3

[0048] Based on Example 2, this example provides a method for fixing the second tooling and the zero-point positioning system.

[0049] The second tooling is a special tooling for machining the rear axle housing. When manufacturing the second tooling for the rear axle housing, a threaded hole is selected in the first opposite face of the rear axle housing as a preset pull-down threaded hole. According to the specific position of the selected pull-down threaded hole in the rear axle housing to be manufactured, a fixed threaded hole with the same diameter is opened at the corresponding position of the second tooling.

[0050] After the first machining process is completed, the first opposing surface of the rear axle housing is finished, and the pull-down threaded hole is formed. During the tooling change process, the plane containing the pre-set pull-down threaded hole in the primary workpiece of the rear axle housing is brought into direct contact with the fixed platform of the second tooling, and the pull-down threaded hole on the primary workpiece of the rear axle housing is fixed together with the fixed threaded hole of the second tooling using bolts. An auxiliary clamping device applies downward pressure from the other machined surface to stably fix the primary workpiece of the rear axle housing onto the fixed platform of the second tooling. Example 4

[0051] Based on Embodiment 3, this embodiment provides an improved structure of the machine tool system in the bulldozer rear axle box processing system, including: the machine tool system includes two worktables, which are respectively used to perform the first process and the second process.

[0052] Specifically, in traditional machining processes, horizontal machining centers have only one worktable, allowing only one rear axle housing or one process within the rear axle housing to be processed at a time. When processing different types of workpieces or different processes, mold changes are required, which wastes 1-2 hours. To reduce mold changes for rear axle housings and secondary clamping of workpieces, dual-station planer machining centers are introduced. Each process has its own tooling on a different worktable, enabling seamless machining. After one process is completed, another process can be completed simply by exchanging worktables, avoiding the hassle of changing parts and the waiting time, improving work efficiency while reducing the labor intensity of mold changes for employees. Example 5

[0053] Based on Example 2, this example provides an improved cutting tool for the bulldozer rear axle box machining system.

[0054] The cutting tools configured in the machine tool system include: powder metallurgy drill bits, extrusion taps, thread milling cutters, and anti-vibration boring tools.

[0055] Traditional machining processes use ordinary cutting tools, which are inexpensive but have poor wear resistance and heat resistance. To ensure machining quality, operators need to frequently change the tools and inserts, which not only affects the dimensional accuracy of the workpiece to a certain extent but also greatly affects production efficiency.

[0056] Therefore, in this embodiment, the machine tool system provides a new type of alloy cutting tool with high strength, high hardness, and high wear resistance. Compared with the life of traditional cutting tools of 5-10 meters, the life of the new cutting tool can reach 20-30 meters, which reduces the cutting tool sharpening time and tool changing time, and can save cutting tool costs.

[0057] Specifically, large-diameter threads of M30 and above use dedicated thread milling cutters to eliminate the risk of broken taps.

[0058] For machining holes with a diameter greater than 80 mm, if the cutting depth of the tool exceeds 5 times the hole diameter, an anti-vibration boring tool should be used for boring.

[0059] To mitigate vibration during rear axle housing machining, extended anti-vibration tools are used. Using these extended anti-vibration boring tools effectively reduces vibration by 75%-80%, enabling high-speed, deep-cut machining and ensuring the shape and position tolerances of the holes. Furthermore, Figure 4 The machining effect without using a vibration-resistant boring tool is shown. Figure 5 The machining effect without using an anti-vibration boring bar was compared, and it is evident that the machining surface roughness was greatly improved when using an anti-vibration boring bar.

[0060] The second step in the rear axle housing machining process requires back-counter-scraping the gasket mounting holes on the left and right housings. Traditional machining methods require changing the process to a drilling machine or machining on a boring machine using a high-speed steel cutter. This is not only inefficient but also heavily reliant on the operator's skill level, and the depth and back-scraping speed cannot be controlled.

[0061] In this embodiment, as Figure 6 As shown, a specially designed back scraper is used, eliminating the need for manual intervention; the process is completed automatically by the program. This specialized back scraper can adapt to different hole diameters and, according to programming, to handle cutting thicknesses, achieving automated processing while resolving the issue of uneven thickness in the left and right housings of the rear axle housing.

[0062] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A method for processing a bulldozer rear axle housing, characterized in that, The bulldozer rear axle housing machining method is based on a bulldozer rear axle housing machining system, which includes: First tooling: used to fix the original workpiece to be processed; Second tooling: used to fix the primary workpiece of the rear axle housing; Machine tool system: used to process the first opposing surface of the original workpiece in the first process to obtain the primary workpiece of the rear axle box, and to process the second opposing surface and the third opposing surface of the primary workpiece of the rear axle box in the second process according to the reference coordinate system to obtain the finished workpiece of the rear axle box. Zero-point positioning system: used to achieve zero-point positioning of the first tooling and the second tooling; Renishaw measurement system: used to measure the reference surface after the first opposing surface is machined, obtain reference surface data, calculate the zero point of the primary workpiece of the rear axle box based on the reference surface data, and create the reference coordinate system; The method for processing the bulldozer rear axle housing includes: Fix the original workpiece to be processed to the first tooling and perform the first operation, including: Fix the first tooling to the zero-point positioning system; The original workpiece is machined on its first opposing surface using a machine tool system to obtain the primary workpiece of the rear axle housing; The primary workpiece of the rear axle housing is replaced and fixed from the first tooling to the second tooling, and the second process is performed, including: Fix the second tooling to the zero-point positioning system; The reference surface after the first opposing surface has been machined is measured using a Renishaw measurement system to obtain reference surface data; The zero point of the primary workpiece of the rear axle housing is calculated using the Renishaw measurement system based on the reference surface data, and a reference coordinate system is created. Based on the reference coordinate system, the machine tool system is used to process the second and third opposing surfaces of the primary workpiece of the rear axle box to obtain the finished workpiece of the rear axle box. Before the machine tool system is guided by the reference coordinate system to process the second and third opposing surfaces of the primary workpiece of the rear axle box, the method further includes: using a Renishaw measurement system to detect whether the dimensional deviation of the primary workpiece of the rear axle box exceeds a preset allowable range. In response to the Renishaw measuring system detecting a dimensional deviation in the primary workpiece of the rear axle housing that exceeds the preset allowable range, the machine tool system stops program operation and issues an alarm, guiding the operator to correct relevant parameters based on the dimensional deviation detected by the Renishaw measuring system. The machining of the first opposing surface of the original workpiece using a machine tool system and the machining of the second and third opposing surfaces of the primary workpiece of the rear axle housing using a machine tool system include: During the machining process, the Renishaw measuring system is used to measure the size of the surfaces, grooves, and holes to be machined, in order to assist the machine tool system in determining the machining position and dimensions. The Renishaw measuring system is used to inspect the dimensional deviations of the machined surfaces, grooves, and holes. If the dimensional deviation is within the preset allowable deviation range, the machining of the current surface, groove, or hole is completed. If the dimensional deviation exceeds the preset allowable deviation range, the machine tool system is guided to correct the dimensions of the current surface, groove, or hole based on the detected dimensional deviation.

2. The method for processing a bulldozer rear axle housing according to claim 1, characterized in that, The process of machining the first opposing surface of the original workpiece using the machine tool system, and machining the second and third opposing surfaces of the primary workpiece of the rear axle housing using the machine tool system, further includes: using a tool detection system to monitor the status of the tools included in the machine tool system; in response to the tool detection system detecting tool breakage, tool wear exceeding a preset level, or abnormal machine tool load, the machine tool system stops program operation and issues an alarm.

3. The method for processing the rear axle housing of a bulldozer according to claim 1, characterized in that, The machining of the second and third opposing surfaces of the primary workpiece of the rear axle housing using a machine tool system includes: employing a small-diameter workpiece back-scraping stop operation method, using a back-scraping tool equipped with the machine tool system to cut holes of different diameters or thicknesses.

4. The method for processing the rear axle housing of a bulldozer according to claim 1, characterized in that, The bottom of the first and second toolings is provided with a positioning structure corresponding to the locking device of the zero-point positioning system; The second tooling has a fixing threaded hole on its fixed platform that corresponds to the position of the preset pull-down threaded hole in the first opposing surface, which is used to fix the plane where the preset pull-down threaded hole in the primary workpiece of the rear axle box is located on the fixing platform of the second tooling by bolts.

5. The method for processing a bulldozer rear axle housing according to claim 1, characterized in that, The machine tool system includes two worktables, which are used to perform the first operation and the second operation, respectively.

Images