476 results about "Engraving" patented technology

The invention relates to the technical field of program control, in particular to a servo position control method and system applied to an engraving and milling machine. The method comprises the following steps that real-time temperature data and real-time load data of lead screws of all shafts in the engraving and milling machine are obtained; collecting multi-node temperature distribution data of the engraving and milling machine; obtaining cutting force data and resonant frequency characteristic values in the engraving and milling machine; constructing a screw rod reverse clearance prediction model based on the real-time temperature data and the real-time load data of the screw rod, and generating a clearance compensation value; performing pre-compensation control before the servo position direction of each axis is changed based on the clearance compensation value to obtain a correction position instruction; and performing thermal deformation simulation on the engraving and milling machine based on the multi-node temperature distribution data to generate thermal deformation compensation amounts of all shafts. Through multi-source data fusion and intelligent control, comprehensive optimization of the servo position system of the engraving and milling machine is achieved, the machining precision, dynamic response and stability are effectively improved, and efficient and reliable operation of high-speed and high-precision machining is guaranteed.

The invention provides a multi-axis linkage engraving equipment control algorithm optimization method, which belongs to the technical field of engraving equipment, and comprises the following steps of: decomposing a model into a plurality of curved surface segmentation segments according to a curvature change rate, and performing NURBS curve parameterization processing on each segment to generate control point coordinates and weight coefficient data; a dynamic weight adjustment model is adopted to dynamically calculate a path planning weight coefficient according to a tool cutting force value, a surface roughness demand value and a machining efficiency index value, a minimum spanning tree path algorithm is utilized to carry out path connection sequence planning, and a layered interpolation operation framework combining preprocessing interpolation calculation and real-time interpolation compensation is established. And the optimized interpolation coordinate data is converted into an axis control instruction sequence containing a position instruction, a speed instruction and an acceleration instruction, and the technical problem that the interpolation calculation precision and the real-time performance are difficult to balance when the multi-axis linkage carving equipment is used for machining a complex curved surface is solved.

The high-precision turning, milling and grinding integrated machining special machine for the tail of the screw of the injection molding machine comprises a machine body, and a mechanical arm used for feeding and discharging is installed on the front side of the top of the machine body. Through cooperative use of the moving mechanism, the left end clamping mechanism and the machining mechanism, the two ends of a single-screw rhomboid screw or an auxiliary-screw rhomboid screw can be clamped and fixed no matter the single-screw rhomboid screw or the auxiliary-screw rhomboid screw is machined, the clamping mode does not generate a dead angle area, the traditional mode that clamping is conducted only through the single end is changed, the situation that a workpiece is affected by centrifugal force is avoided, and the machining efficiency is improved. Therefore, the accuracy of thread engraving and milling is improved, waste chips generated by engraving and milling can be collected in the waste collecting box, and the cleanliness of the environment is guaranteed; besides, a storage mechanism and a detection mechanism are arranged for cooperative use, a milling cutter, a grinding head and a drilling head used in the machining process can be automatically replaced, threads on machined workpieces can be detected, substantive improvement is achieved, and the device is beneficial to application and popularization.

The invention relates to an intelligent avoiding and load balancing method for double-spindle machining of a high-speed engraving and milling machine in the technical field of intelligent manufacturing, which comprises the following steps of: performing comparative analysis by adopting a preset safety threshold according to the dynamic change trend of the distance between spindles, and if the distance is detected to be lower than the safety threshold, triggering a collision risk control module, determining a potential interference area range; aiming at the determined interference area range, generating a temporary avoidance path of the double spindles through a processing path planning algorithm, obtaining adjusted motion track data, and judging whether the interference area can be avoided or not; aiming at the corrected path execution instruction, analyzing the distribution condition of the current processing task through an area distribution optimization module, obtaining the working load data of the double spindles, and judging whether the load is balanced or not; and according to the latest collaborative operation data, the operation efficiency and the machining progress of the double spindles are analyzed through a machining efficiency improving module, optimized operation parameters are obtained, and a final machining execution strategy is determined.

The invention relates to the technical field of stone machining, in particular to a method and system for machining three-dimensional special-shaped stone through a robot, and the method comprises the following steps: obtaining path segments and extracting particle images, dividing density category identification sections, classifying the path segments, matching load conditions, screening out indexes, and mapping node coordinates to generate an interlaced section table. The method comprises the following steps: extracting a particle image, dividing density categories, identifying particle distribution differences, identifying staggered node areas in combination with spatial distribution grids, defining structural paragraphs, extracting direction vectors and sequence information to identify continuous paragraphs, adjusting attitude angle access tracks, and generating a processing path set. According to the three-dimensional special-shaped stone engraving method, combined inspection of path section direction consistency and sequence coherence is conducted, path interruption and jumping are controlled, difference analysis of the tail end posture and the engraving face direction is matched with angle adjustment, cutting offset and contour misalignment caused by posture mismatching in the machining process are reduced, and path stability and engraving coherence in the three-dimensional special-shaped stone engraving process are enhanced.

The invention discloses VCSEL (Vertical Cavity Surface Emitting Laser) chip metal etching equipment, and relates to the technical field of chip metal etching equipment. Comprising a main machine box, a soaking pool, a soaking assembly, a lifting driving assembly, a cover plate and an air suction grid, the lifting driving assembly is used for driving the soaking assembly to move up and down and rotate, and therefore wafers are driven to be soaked or rotate. Through stretching of the fan blade rings, the stirring fan blades can stir the etching liquid in the state of stretching out of the fan blade grooves, it is ensured that the etching liquid around a wafer flows uniformly, the contact between the surface of the wafer and the etching liquid is more uniform, and local over-etching or under-etching is prevented; and when the wafers are fed, the stirring fan blades retract into the fan blade grooves, so that the wafers are prevented from being blocked or scratched by the stirring fan blades during feeding. According to the wafer clamping protection device, the spring telescopic rods are arranged, wafer damage caused by too large clamping force is avoided through self contraction of the spring telescopic rods, the flexible pressing strips are made of flexible materials, scratching between the flexible pressing strips and the wafer is prevented, and double clamping protection on the wafer is achieved.

The utility model relates to the technical field of engraving and milling machines, in particular to an engraving and milling machine with a protective structure, which comprises a machining table, a protective mechanism, a cleaning mechanism and a protective mechanism, raw materials are subjected to engraving and milling in the machining table, the protective mechanism is mounted on the surface of the front end of the machining table, and the cleaning mechanism is mounted on the surface of the front end of the machining table. The cleaning mechanism is installed on the surface of the top end of the interior of the machining table, the cleaning mechanism absorbs oil mist generated by gasification of cooling oil in the machining table, and through cooperation of the protection mechanism and the cleaning mechanism, the waste chips are blocked through a cabin door. And a brush installed on the surface of the front end of the machining table can clean observation glass installed in the cabin door, unclear observation caused by oil mist adsorption is prevented, the oil mist generated in the machining table is absorbed through a draught fan, and harm to the bodies of workers is avoided.

The invention provides a multi-head engraving and milling machine compensation method which comprises the following steps: selecting a reference processing unit from a plurality of processing units, and determining a calibration coordinate of a rotary table rotation center of the reference processing unit as a reference coordinate; detecting the rotation center of each rotary table through a probe to obtain the current coordinate of each rotation center; on the basis of the reference coordinates and the current coordinates of all the rotating centers, compensation values of all the tool bit assemblies or all the rotary table assemblies in the moving direction are determined; on the basis of the compensation value, each tool bit assembly or turntable assembly is controlled to perform position adjustment in the moving direction of the moving mechanism; and after the positions of all the tool bit assemblies or the rotary table assemblies are adjusted, machining is started. The method can solve the problems that in the application process of a multi-head multi-rotating-shaft engraving and milling machine in an existing method, multiple products cannot be machined at the same time at a time, and the working efficiency of product machining is reduced.

The utility model discloses a multi-axis fine carving machining center, which comprises a base, a cross beam group, a sliding seat group, a working table and a tool magazine group, the cross beam group is erected on the base, the sliding seat group is movably connected with the cross beam group, the cross beam group can drive the sliding seat group to transversely move, a sliding rail unit is arranged in the middle of the base, and the working table and the tool magazine group are respectively connected with the sliding rail unit. The sliding rail unit is arranged on the base and can slide along the sliding rail unit, collecting grooves are formed in the two sides of the sliding rail unit respectively, the bottoms of the collecting grooves are arranged in an inclined mode, and collecting through holes are formed in the inclined lowest ends of the collecting grooves. According to the multi-shaft fine carving machining center, waste materials and cutting waste liquid are collected through the collecting groove, and the collected waste materials and cutting waste liquid slide along the inclined bottom face and slide out from the collecting through hole, so that accumulation of the waste materials and the cutting waste liquid is avoided, it is guaranteed that the waste materials and the cutting waste liquid are not affected during machining, and machining efficiency is improved. And meanwhile, the machining center can be conveniently cleaned through the collecting tank, so that the machining center does not need to be shut down frequently, and the utilization rate of the machining center is increased.

The invention discloses a control method and system of cooking equipment and the cooking equipment, and relates to the field of intelligent kitchen appliances, and the control method of the cooking equipment comprises the steps: obtaining a food material image collected by an image collection device; performing engraving area identification on the food material image to obtain target engraving area information; based on the target engraving area information, a laser emitting device is controlled to emit a laser beam to a target engraving area corresponding to the target engraving area information for food material engraving; in the food material carving process, information of an uncarved area is obtained; acquiring temperature distribution information of an unengraved area corresponding to the unengraved area information; and the next irradiation position needing to be acted by the laser beam of the laser emitting device in the non-engraved area is determined based on the temperature distribution information of the non-engraved area. The laser irradiation position is adjusted through the temperature distribution information, the engraving process can be accurately controlled, the engraving effect on the target food material is improved, and the interestingness of the cooking equipment is improved.

The invention relates to the technical field of magnesium metal precision manufacturing workshop production management, in particular to a magnesium die casting identification tracing and tracking system and method based on MES, and the system comprises a real-time monitoring module, a report management module, a log management module, an alarm management module, an equipment management module, a system management module and an interface management module. The main function of the real-time monitoring module is to carry out real-time monitoring on hardware equipment of the identification tracing and tracking system, such as an ink-jet printer, a two-dimensional code / bar code identification device, a sensor, an RFID data acquisition device and a marking press, the whole production tracking process of the magnesium die casting is dynamically displayed, and the product information of the magnesium die casting and the like are reflected together. According to the magnesium precision machining workshop system, interconnection and intercommunication among the automatic code spraying equipment, the automatic code scanning identification equipment, the RFID data acquisition equipment and the automatic engraving equipment are achieved, code spraying, code scanning identification and tracking of on-site die castings are dispatched in a coordinated mode, efficient operation and stable operation of the whole magnesium precision machining workshop are achieved, and the magnesium metal feeding and discharging efficiency is improved.

The invention discloses composite etching equipment with double processing functions of electric carving and laser direct carving, and relates to the technical field of embossing roller etching. Comprising a base, two supports are arranged on the base, fixing mechanisms are arranged on the supports, screw rods and guide rods are arranged at the upper ends of the supports, two lead screw motors are installed on the screw rods, two guide sleeves are arranged on the guide rods in a sliding mode, a moving ring is fixed below one lead screw motor and one guide sleeve, and a first driving mechanism is arranged on the side face of the moving ring. A carving knife is arranged on the first driving mechanism, a moving plate is fixed below the other lead screw motor and the guide sleeve, a second driving mechanism is arranged on the moving plate, a laser head is arranged on the second driving mechanism, and a dust removal mechanism is arranged at the side end of the moving ring. According to the laser engraving machine, laser direct engraving and electric engraving can be achieved on different parts of the embossing roller at the same time, the engraving effect can be improved, the engraving efficiency can be improved, and in addition, dust treatment and collection can be improved through the dust removal mechanism.

The utility model relates to the technical field of engraving and milling machines, and discloses a precision false tooth engraving and milling machine transmission mechanism with an automatic lubricating system, which comprises a shell, an operating door arranged on one side of the shell, a support table fixedly connected to the bottom of the inner side of the shell, and a longitudinal moving mechanism arranged at the bottom of the support table, the longitudinal moving mechanism comprises side plates arranged on the two sides of the supporting table, the tops of the two side plates are fixedly connected with the same top plate, and a lubricating mechanism is arranged on the top of the top plate and comprises an oil barrel fixedly connected to one side of the top of the top plate through a supporting frame. A control valve is arranged on the side, close to the oil drum, of the tee joint, and lubricating oil can be conveniently added into the oil drum through the control valve. The automatic lubricating oil adding device has the technical effects that lubricating oil is automatically added to the transverse moving mechanism and the vertical moving mechanism, the machining precision of equipment is guaranteed, meanwhile, the frequency of manually adding the lubricating oil is reduced, and the practicability of the equipment is improved.

The invention provides an unattended laser spherical surface internal engraving method and system combined with AI intelligence, and the method comprises the steps: S1, obtaining geometric data of a spherical surface material, generating a spherical surface curvature distribution model through a three-dimensional scanning technology, and obtaining curvature change data; s2, according to the curvature change data, the focusing deviation of the laser at different depths is calculated, and a focusing deviation distribution diagram is obtained; s5, adjusting the weight according to the parameters, optimizing the laser power and the pulse frequency, and obtaining self-adaptive parameter configuration; s6, dynamically adjusting the laser focusing depth and the spot size through adaptive parameter configuration to obtain an optimized focusing path; s7, according to the optimized focusing path, a laser is controlled to execute three-dimensional carving operation, and a preliminary carving pattern is generated; and S9, if the level precision does not meet the requirement, adjusting iteration parameters according to a detection result, and generating new adaptive parameter configuration. According to the method, the precision and adaptability of laser internal engraving of the complex curved surface are remarkably improved.

The invention provides a Gaussian reconstruction method for geometric consistency engraving and gradient conflict driven densification, and relates to the technical field of image reconstruction, and the method comprises the steps: obtaining scene image training data; analyzing the scene image training data by using a multi-modal depth estimation network to obtain multi-modal depth hypothesis data; based on scene image training data, sampling space Gaussian depth to obtain synthetic view multi-modal depth prediction; based on synthetic view multi-modal depth prediction and multi-modal depth hypothesis data, geometric consistency loss engraving is utilized to carry out space engraving on gauss, and a gauss space engraving result is obtained; gaussian densification is driven by using Gaussian gradient conflicts, and a Gaussian densification result is obtained; and based on a Gaussian space engraving result and a Gaussian densification result, a Gaussian splashing model result is obtained through calculation. According to the method, the problems that the Gaussian depth is not accurate enough and geometric distortion occurs when a depth-fuzzy object is reconstructed are solved.

The invention belongs to the technical field of mobile phone machining, particularly relates to a fine carving device and method for mobile phone cover plate production, and aims to solve the problems that sprayed cutting fluid flows fast, vibration and noise generated in the cutting process of the cutting fluid cannot be effectively weakened, and the machining stability of a fine carving machine is reduced. The engraving machine is used for engraving the mobile phone cover plate; the lifting adjusting plate is fixedly connected with the fine carving knife body and used for adjusting the machining height of the fine carving knife; the engraving cutter body is arranged in the hollow annular slow flow frame, and a circulating liquid outlet hole is formed in the hollow annular slow flow frame. The fine carving device and method for mobile phone cover plate production have the effects that when cutting fluid is sprayed to the fine carving knife in the fine carving process of the mobile phone cover plate, the flowing speed of the cutting fluid is reduced, vibration and noise generated in the cutting process of the cutting fluid are effectively weakened, and the machining stability of a fine carving machine is improved.

The invention discloses a high-speed engraving and milling machine, which comprises a support assembly, which comprises a support, a support table arranged on the support, a support body arranged on the support table, and an up-and-down sliding part arranged on the support body; the engraving and milling assembly comprises an engraving and milling component arranged on the support table, an auxiliary locking component arranged on the support table and a steering component arranged on the auxiliary locking component, and the engraving and milling component comprises an engraving and milling block body connected with the support body and an engraving and milling cutter arranged on the engraving and milling block body. The rotating part is manually rotated, the rotation of the rotating part can drive the rotation of the central rotating plate, and the two ends of the central rotating plate extend outwards, so that the two output rods are driven to move towards the outer side, and the two push-out frame bodies are driven to move towards the direction away from each other, so that a part at the central position is clamped, and the parts are pushed out according to needs. And the connecting lifting piece is controlled to rotate the part.

The invention provides an automatic measurement and correction method for an engraving and milling machine tool based on Mastercam software, relates to the technical field of numerical control of the engraving and milling machine tool, and solves the problem of measurement programming adaptation compatibility between a domestic engraving and milling JD50 numerical control system and the Mastercam software. The method comprises the following steps: developing a post-processing program of Mastercam software, and enabling the post-processing program to be adaptive to a fine carving JD50 numerical control system; configuring a measurement logic code of the fine carving JD50 numerical control system; the method comprises the following steps: generating a processing main program by using Mastercam software, and configuring a second-class user macro program interface in the processing main program; and the engraving and milling JD50 numerical control system drives the engraving and milling machine tool to execute measuring head calibration, online measurement and tool correction operation in a variable mapping mode. According to the invention, the accurate carving JD50 numerical control system can realize automatic measurement and correction functions of the accurate carving machine tool based on Mastercam software, and the method has the advantages of simple operation and high reliability.

The invention relates to the technical field of printing, in particular to an ink-jet carving integrated printing method and device, electronic equipment and a storage medium. The reference information of the printer is determined based on the hardware rated parameters of the printer; determining an editing interface of the printer based on the reference information; importing a processing source file, obtaining source file information of the processing source file, and displaying the source file information on the editing interface; obtaining editing information input by a user on the editing interface, and determining an image-text processing instruction according to the editing information and the source file information; and according to the image-text processing instruction, the printer is controlled to execute an ink jet action and an engraving action according to a preset time sequence, and printing is completed. According to the technical scheme, the problem of positioning deviation caused by the fact that ink jetting and engraving depend on step-by-step implementation of two sets of equipment in the prior art is solved, and the effects of reducing the engraving error and improving the machining precision are achieved.

To develop a method for engraving and texturing an enamel capable of overcoming drawbacks of enamel engraving which is not widely used since it requires a mastery of the engraving technique to avoid scratching an enamel surface or altering its color.SOLUTION: A method for engraving and texturing an item (1) including a decoration (2) filled at least partially with an enamel (3) includes a step of laser ablation using a femtosecond laser or a picosecond laser onto a surface of the enamel (3) and / or within the enamel (3) to form a structure (7).SELECTED DRAWING: Figure 4A-4C

The invention discloses a duplicated natural stone ceramic glaze, and belongs to the technical field of ceramic glaze, the duplicated natural stone ceramic glaze comprises the following components: 60-70 parts of duplicated natural stone dry particles, and 30-40 parts of glaze ground glaze, the duplicated natural stone glaze provided by the invention can restore the texture of stone in a ratio of 1: 1, so that a ceramic tile also has the texture, gloss and touch of stone, and the texture of the ceramic tile is improved. The ceramic tile perfectly inherits the advantages of stone, meanwhile, the defects that the stone is low in strength, high in price, provided with radiation, limited in use place and the like are perfectly overcome, 12 high-precision nozzles are used for precise glazing in the glazing process, and Gaussian dry particles and muscle pattern engraving ink are added, so that the ceramic tile can be thick, thin, deep and shallow, symbiotic in muscle pattern and free of orange peel on the glaze surface; and meanwhile, the water absorption rate and the strength are far higher than those of the natural stone, and the ceramic tile is free of radiation, does not release harmful gas and is not limited by use sites.

The invention discloses a nameplate parameter engraving method and system based on MES and PLM, and the method comprises the steps: obtaining a complete machine number of a target device, obtaining a nameplate material number matched with the complete machine number through an MES system according to the complete machine number, transmitting the nameplate material number to an engraving device and a cooperation device, calling a nameplate input template corresponding to the nameplate material number, and inputting the nameplate input template to the target device; and the nameplate input template is grabbed to a carving area of the carving equipment through the cooperation equipment, and carving operation is conducted on the nameplate input template. It can be seen that the technical problems that due to misoperation of staff, the parameters are not consistent with the requirement input, and the nameplate parameter engraving efficiency and accuracy are low can be effectively solved, automatic calling and engraving of the nameplate parameters are achieved, and therefore the production efficiency and the nameplate parameter engraving efficiency and accuracy can be improved.

The utility model discloses a CCD (Charge Coupled Device) high-speed laser cutting machine and belongs to the technical field of laser cutting equipment. The CCD high-speed laser cutting machine comprises a machine frame, a marble table top, Y-axis driving assemblies, X-axis driving assemblies, a laser assembly and a working table top suction cup, the marble table top is arranged on the machine frame, the working table top suction cup is arranged on the marble table top, the Y-axis driving assemblies are arranged on the two sides of the marble table top, and the X-axis driving assemblies are arranged on the two sides of the working table top. The two ends of the X-axis driving assembly are arranged on the Y-axis driving assembly, and the laser set is arranged on a rotor of the X-axis driving assembly. The CCD high-speed laser cutting machine is combined with an existing laser refraction system, a cutting system and a galvanometer system, a transmission structure is based on a high-precision marble platform, a servo motor and a grinding-grade lead screw are used for transmission, a CCD photographing positioning system is arranged, the effect that laser cutting and engraving are integrated without limitation is achieved, and precision is high.

1. Name of the product in this design: Engraving machine. 2. Purpose of this design: for engraving and processing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

1. The name of the design product: ultraviolet internal engraving machine. 2. The use of the design product: for laser plane, 2.5D, 3D marking, relief and internal engraving. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of this design product: Carving tool knife (multi-purpose). 2. The purpose of this design product: for cutting and engraving. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. The views provided have clearly expressed the content of this design product, and the top view and bottom view are omitted.

The utility model relates to the technical field of engraving and milling machines, in particular to an angle-adjustable side-row engraving and milling machine which comprises a workbench, a sliding groove is formed in the surface of the workbench, a sliding block is connected into the sliding groove in a sliding mode, a supporting frame is fixedly connected to the surface of the sliding block, and a first lead screw is transversely and rotationally connected to the inner side of the supporting frame. And the surface of the first lead screw is in threaded connection with a driving block, the surface of the driving block is fixedly connected with a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with a milling cutter, and the output end of the milling cutter is fixedly connected with a milling cutter. According to the clamping device, the clamping plates can be fixed, meanwhile, the clamping plates matched with the clamping plates can be conveniently and rapidly replaced according to the rough shape of a workpiece, the effect of clamping and fixing the workpiece can be further improved, and the situation that the workpiece shakes in the machining process, and consequently the machining quality of work is affected is avoided.

The utility model relates to the technical field of clamps, and discloses a copper handicraft surface carving clamp which comprises an installation block, a limiting plate fixedly connected to the bottom of the installation block, a bottom plate fixedly installed at the bottom of the limiting plate, a movable rack inserted in the middle of the installation block, and a connecting column fixedly installed at the bottom of the movable rack. A contact block is installed at the bottom of the connecting column through a rotating shaft, a buffer assembly is installed in the middle of the contact block, a fixing block is fixedly installed in the middle of the limiting plate, and an extrusion assembly is arranged in the middle of the fixing block. Through the arrangement of the buffer assembly, impact and damage to the copper artware in the carving process can be reduced, the surface quality of the copper artware can be protected, work of the clamp can be conveniently controlled through the mounting plate, the supporting plate, the fixing bolt and other assemblies, and the safety of the carving process can be ensured through the fixing rack, the fixing gear, the reinforcing block and other assemblies.

The invention discloses internal combustion engine body complete machining equipment, and belongs to the field of internal combustion engine machining equipment.The internal combustion engine body complete machining equipment comprises a feeding device, engraving and milling devices are arranged on the surfaces of the two sides of the front end of the feeding device, brushing devices are arranged on the surfaces of the two sides of the rear end of the feeding device, and an infrared displacement sensor is arranged on the upper surface of the front end of the feeding device. Through arrangement of a hydraulic lifting rod, when an infrared displacement sensor detects that a clamp base passes through the upper portion of the hydraulic lifting rod, the hydraulic lifting rod is started to drive a lifting plate to ascend, and after a positioning insertion block is inserted into the bottom of the clamp base, the clamp base is lifted to a proper height, so that machining operation of the engraving and milling device is facilitated; in the machining process, the clamp base can be prevented from being in frictional contact with the feeding roller of the feeding device for a long time, the influence of possible tiny displacement or shaking of the feeding roller on the machining precision of the machine body is avoided, abrasion and stress of the feeding roller can be reduced, and the service life of the feeding roller is prolonged.

1. Name of the product in this design: Cabinet (plain engraving). 2. Intended use of this design: furniture. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.