81 results about "Hole drilling method" patented technology

The invention provides an industrial guide rail drilling method and system. The method comprises the following steps of material pretreatment and positioning reference generation; guide rail hydraulic self-locking clamping; a reference hole laser positioning and drill bit path planning step; self-adaptive drill bit spacing adjustment is carried out; double-sided synchronous drilling and vibration suppression are achieved; integrating online burr detection and burr removal; a cutting force closed-loop control step; cooling, lubricating and self-adaptive spraying; a step of continuously discharging and automatically sorting; and predicting the service life of the cutter and replacing the cutter. The scheme has the following advantages that through the V-shaped clamping mechanism and the hydraulic compensation system, synchronous clamping of the four guide rails is achieved, and the clamping time is shortened to 2 minutes per batch; drilling units are symmetrically arranged on the guide rail up and down, double-face hole group machining is completed at a time, and 0.08 mm average positioning deviation caused by the overturning procedure is eliminated; the integrated acoustic emission sensor monitors the abrasion state of the drill bit in real time, when the cutting force fluctuation is larger than 15%, the feeding amount is automatically compensated, and the rejection rate is reduced to 1.5% from 12%.

The invention belongs to the technical field of circuit board processing, and particularly relates to flexible circuit board drilling equipment and a drilling method thereof.The flexible circuit board drilling equipment comprises a box body, a filtering piece arranged on the box body and an electric sliding rail, and further comprises two workbenches which are slidably connected to the electric sliding rail and used for being alternately located at a feeding and discharging station and a drilling station; the negative pressure mechanism is arranged on the back surface of the box body and is used for applying negative pressure to the workbench at the drilling station for dust extraction during drilling; the auxiliary mechanism comprises a cleaning part arranged above the box body, a linkage part arranged at the rear end of the box body and an impurity removing part arranged below the filtering part; the guide grooves are formed in the inner walls of the front side and the rear side of the box body; and the trapezoidal block is fixedly connected in the box body. According to the device, integrated operation of efficient drilling, automatic dust removal and cleaning and safety protection can be achieved.

This invention discloses a rapid drilling device and method for the floor of coal mine roadways. It includes a drilling rig, drill rods, and a drill bit. The drill rods consist of a transition drill rod and a circular drill rod. A water channel is provided through the transition drill rod, the circular drill rod, and the drill bit at a certain thickness. A water extraction pipe is provided inside the transition drill rod and the circular drill rod. A water extraction pipe and a water supply pipe are sleeved through the center of the drill arm. The drill arm's water extraction pipe communicates with the drill rod's water extraction pipe and the drill bit's inner cavity. The drilling rig's water supply pipe communicates with the drill rod's water channel. During drilling, water injected from the water supply pipe enters the bottom of the hole through the water channel. The water at the bottom of the hole, carrying drill cuttings, is extracted sequentially through the hollow drill bit, the drill rod's water extraction pipe, and the drill arm's water extraction pipe under external negative pressure. This allows drilling mud to be continuously extracted from the center of the drill rod during drilling, eliminating the need for special drill bit removal and cuttings disposal, shortening the drilling progress, greatly improving drilling efficiency, ensuring the floor pressure relief effect, and providing technical support for safe production on site.

The invention relates to a drilling method, in particular for a turbine shaft of an aircraft turbine engine, which method is implemented by a drilling machine (100) including a drill rod (8), a cutting tool (4) mounted on a free end of the drill rod, and an anti-vibration ring (10) positioned on the drill rod behind the cutting tool, the anti-vibration ring including a sleeve including a bore extending longitudinally coaxially between a front end and a rear end of the sleeve, as well as a first absorption means positioned in the bore and a second absorption means positioned on an outer circumference of the sleeve, the method including steps of: a) placing the anti-vibration ring on the drill rod near a free end of the drill rod; b) securing the cutting tool to the free end of the drill rod; c) drilling a bore to be made in the turbine shaft by pushing, during which the anti-vibration ring is inserted into an inlet (21) of the bore to be made.

The invention discloses a tunnel drilling device capable of achieving multi-dimensional angle adjustment and a drilling method.The tunnel drilling device comprises a multi-dimensional adjustment assembly and an electric hammer installation support arranged on the multi-dimensional adjustment assembly, and an electric hammer is assembled on the electric hammer installation support; the multi-dimensional adjusting assembly comprises an X-direction sliding module, a Y-direction sliding module, a lifting assembly and an inclination angle adjusting assembly. The X-direction sliding module and the Y-direction sliding module are used for controlling the electric hammer to reciprocate in the X direction and the Y direction correspondingly, the lifting assembly is used for controlling the electric hammer to ascend and descend in the height direction, and the dip angle adjusting assembly is used for changing the axial dip angle of the electric hammer. The multi-direction adjustable electric hammer has the beneficial effects that the electric hammer can be flexibly adjusted in multiple directions, automatic and high-precision punching is achieved based on visual perception, and the complex drilling requirement of the top of a tunnel is met.

To provide a punching system which can improve efficiency of punching and shorten the work time when punching a workpiece by using a punching device.SOLUTION: A punching system 1 using a gantry type punching device comprises: drill position adjustment means S1 which adjusts a drill position; clamp operation start means S2 which fixes a workpiece; punching means S4 which performs movement control of a drill unit along the Z-axis lower side in conjunction with the clamp operation and performs punching; punching completion detection means which detects completion of the punching; punching drill lifting means which lifts a punching drill; punching drill reaching confirmation means which confirms that the drill tip has reached a workpiece upper surface position; and clamp operation release means which releases the clamp operation of a workpiece clamp in conjunction with the reaching confirmation of the drill tip.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of technological equipment, and particularly discloses a positioning device for machining an inclined hole of a seal head, which comprises a connecting base, a positioning device and a positioning device, and the connecting base comprises a plane end connected with a machining plane of a drilling machine and a machining end used for fixing a seal head workpiece; the workpiece fixing assembly is arranged on the end face of the machining end and used for fixing an end socket workpiece; and the drilling auxiliary assembly is arranged on the plane end. According to the device, the end socket workpiece is placed on the inclined plane of the base, the inclined hole machining plane of the end socket workpiece is kept consistent with the machining plane of a drilling machine through the base in the positioning device, then positioning of the inclined hole in the circumferential direction of a product is limited through the positioning block installed on the support, and after the product is positioned and pressed, the inclined hole is machined. By means of the outer circle of the bottom plane of the end socket and the appearance of the inclined hole, the inclined hole can be machined on a common drilling machine, and therefore batch machining of end socket workpieces is facilitated.

The application relates to the technical field of planet carrier machining, in particular to a fine machining and drilling method for a planet carrier of a planetary reducer, which comprises the following steps: in each machining stage in the fine machining process of the planet carrier, various monitoring data are collected in real time; in each machining stage, the temperature rise deviation characteristic value at each moment is obtained; the time period between the current moment and the initial moment of the machining stage is divided into various temperature rise response intervals; the associated response deviation characteristic value of the various monitoring data in each temperature rise response interval is obtained; the thermal cumulative influence coefficient in each temperature rise response interval is obtained in combination with the change trend of the various monitoring data in each temperature rise response interval; the adjustment response characteristic value of the current moment is obtained; and the cutting speed and the injection pressure of the cutting fluid at the current moment are adjusted. The application aims to effectively reduce the machining deviation of the planet carrier caused by the workpiece deformation and deviation due to the thermal cumulative effect, and improve the machining precision and use performance of the planet carrier.

The invention discloses a container bamboo floor row type drilling machine and a drilling method, and relates to the technical field of container bamboo floor production and processing. The drilling machine comprises two basic assemblies, each basic assembly comprises an outer rail, an inner rail and a rail block, the two outer rails are connected through a left-right stretching assembly, and a drilling assembly is arranged on each rail block. The left-right stretching assembly comprises a first rack, a second rack, a first gear and an outer sleeve, and a locking component is arranged in the first gear to fix the distance between the two base assemblies. The drilling assembly comprises a connecting block, a side convex rod, a side concave rod, a drilling block and a drilling rod, the connecting block is connected with the side concave rod through the side convex rod, and the drilling rod is driven by the driving assembly to drill holes. Through the structural design, the problems that in the prior art, drilling efficiency is low, precision is insufficient, operation is inconvenient, and equipment adaptability is limited can be efficiently solved, and the drilling requirements of container bamboo floors of different specifications are met.

The present application relates to the technical field of circuit board production, and particularly relates to a numerical control drilling method for a double-sided printed circuit board production line. The method comprises the following steps: determining drilling production parameters of each drilling hole according to radii and distribution positions of a plurality of drilling holes of a to-be-produced circuit board; performing drilling operation on the to-be-produced circuit board based on the drilling production parameters of each drilling hole, and collecting a plurality of vibration data within a target drilling time period; performing consistency analysis on the plurality of vibration data to obtain a vibration anomaly index of the target drilling time period; and determining whether to generate drilling adjustment instructions for coordinate calibration according to the vibration anomaly index of the target drilling time period. The present application can timely find that drilling effect deviates from expectation, and effectively correct abnormal drilling vibration caused by positioning deviation through coordinate calibration, so that the positioning deviation in the PCB drilling process is always kept within an expected error range.

This application provides a drilling method, drilling system, and back drilling method for a circuit board. The method involves drilling through the circuit board using a preset drilling path. The tool drills through at least the first conductive layer, the second conductive layer, and a layer that is prohibited from being drilled during back drilling. An electrical signal generated by the tool during the drilling process is obtained. Based on the electrical signal, the distance between the first and second conductive layers is determined. Based on this distance, the back drilling depth for the through-hole is determined. Since there is no other metal between the first and second conductive layers, no noise signals are typically generated. Therefore, the distance between the first and second conductive layers can be accurately determined based on the electrical signal, and thus the back drilling depth can be accurately determined.

This invention relates to the field of PCB manufacturing technology, specifically disclosing a PCB drilling method based on differentiated processing of the same hole diameter. The method includes the following steps: acquiring hole position information and integrating measured data from the board surface for condition prediction; assigning virtual tool diameter codes to different hole positions according to the evaluation results and coordinating manufacturability for high-risk hole positions; using codes to drive two-layer parameter decision-making, generating Pareto optimal parameters through multi-objective optimization; during processing, decoupling thermo-mechanical-vibration interaction errors in real time through a multi-source sensor fusion model and generating multi-dimensional compensation instructions; and finally, achieving self-learning directional fine-tuning and iterative closed-loop of processing parameters through the linkage analysis of online hole wall quality assessment and tool life prediction. This invention achieves comprehensive intelligent processing from inter-hole differentiated parameter matching to dynamic precision feedback control within the hole, significantly improving hole wall quality and processing efficiency while effectively reducing overall processing costs, and has good industrial promotion value.

The application discloses a segmented drilling method for a wire needle jig, and relates to the field of precision machining. The segmented drilling method for the wire needle jig is used for micro-hole drilling of a PCB with a large depth-diameter ratio. According to the drilling characteristics of different depths, a segmented operation scheme is designed, and the scheme sequentially includes a positioning stage, an efficient chip removal stage and an outlet finishing stage. Different drilling strategies are executed in different stages, and the rotational speed, the feed rate and the single feed depth are accurately controlled. In this way, an accurate guide hole can be formed on the plate material in the initial stage, continuous and smooth drilling can be realized on the plate material in the middle stage, and the edge collapse of the hole outlet can be effectively avoided in the final stage. In the machining process, the machining parameters are dynamically adjusted by monitoring the load. Compared with the fixed machining strategy, the machining efficiency can be effectively improved, the plate material failure rate can be reduced, and the service life of the drill bit can be prolonged.

The invention relates to the technical field of circuit board processing, in particular to a pneumatic vibration main shaft for circuit board processing and a circuit board drilling method. The main shaft comprises a main shaft shell, a floating rotating shaft and a pneumatic vibration assembly. The pneumatic vibration assembly is provided with a first air pressure cavity and a second air pressure cavity which are oppositely arranged in the axial direction of the floating rotating shaft, and a first air path and a second air path which are communicated with the two cavities and can independently control air pressure. By controlling the air pressure of the two air paths, a controlled air pressure difference is formed between the two cavities, so that the floating rotating shaft is driven to generate axial reciprocating vibration. Axial micro-vibration of the drill point is achieved through the pure pneumatic principle, chip removal in the drilling process is effectively promoted, the hole wall quality and the drilling precision are improved, and the system is simple in structure and high in anti-interference capacity.

The invention discloses a segmented drilling method for a wire needle jig, and relates to the field of precision machining. According to the wire needle jig segmented drilling method, when micropore drilling is conducted on a PCB with the large depth-diameter ratio, a segmented operation scheme is designed according to the drilling characteristics of different depths, the segmented operation scheme sequentially comprises the positioning stage, the efficient chip removal stage and the outlet finishing stage, different drilling strategies are executed in the different stages, and the drilling efficiency is improved. The rotating speed, the feeding speed and the single-time feeding depth are accurately controlled, so that an accurate guide hole can be formed in the plate in the initial stage; continuous and smooth drill holes can be formed in the plate in the middle stage; in the last stage, the edge of an opening outlet can be effectively prevented from cracking, machining parameters are dynamically adjusted by monitoring loads in the machining process, and therefore compared with a fixed machining strategy, the machining efficiency can be effectively improved, the plate reject ratio can be effectively reduced, and meanwhile the service life of a drill bit is prolonged.

The application discloses a rigid transmission branch drilling completion tool and a drilling completion method thereof, which is used for development of multi-thin-layer oil and gas reservoirs and can also be used for bedding drilling of a certain thin oil layer to increase oil drainage area and improve recovery ratio. The radial drilling completion system is composed of a diverter and a high-plasticity drilling pipe column, the high-plasticity drilling completion pipe column comprises a hinged short section string, a high-plasticity metal pipe and / or a high-pressure elastic metal outer pipe; the drilling completion tool further comprises a drill bit and / or a packer and / or a sliding sleeve and / or a spray gun, and the drilling completion tool can complete multi-oil-layer drilling completion in a main wellbore and / or can complete drilling completion of a certain thin oil layer in the main wellbore, so as to achieve the purpose of increasing the oil drainage area. In addition, by adopting a one-time drill bit and the high-plasticity drilling completion pipe column, support to a small wellbore is completed, and wellbore collapse is prevented.

The invention relates to the technical field of machining, and discloses drilling equipment, a drilling method and a production line. The drilling equipment comprises a first support, a first clamping module, a second clamping module, a first drilling module and a second drilling module. The first support comprises a first vertical frame, a second vertical frame and a first bearing platform, the first vertical frame is located at one end of the first bearing platform, and the second vertical frame is located at the other end of the first bearing platform. The first clamping module comprises a first driving assembly, a first air cylinder and a first clamping plate. The second clamping module comprises a second driving assembly, a second air cylinder and a second clamping plate. The first clamping plate and the second clamping plate are jointly used for clamping the workpiece. The first drilling module and the second drilling module are located at the two ends of the first bearing platform correspondingly, the first drilling module is used for drilling one end of a workpiece, and the second drilling module is used for drilling the other end of the workpiece. In this way, drilling of the two ends can be completed without turning over the workpiece, and the machining efficiency can be improved.

The application discloses an underwater rock mass drilling device, which comprises a drilling assembly, a height adjusting assembly and a supporting assembly, the drilling assembly comprises a drill rod and a drill bit, the height adjusting assembly is provided with a sleeve, the supporting assembly comprises a rectangular frame body which is surrounded by four telescopic members connected in a head-to-tail mode, and a plurality of telescopic rods are connected between the rectangular frame body and the sleeve. The application further discloses a drilling method based on the underwater rock mass drilling device, which can adjust the position of the drill bit through the plurality of telescopic rods, improve the accuracy of the drilling position, and can successively complete a plurality of drilling tasks within the range surrounded by the plurality of telescopic members, thereby improving the work efficiency.

This invention relates to the field of milling and drilling technology, and particularly to a milling and drilling fixture and method based on a self-centering vise. The milling and drilling fixture includes a vertical bed, a drill bit assembly, a cooling assembly, a double rotary table assembly, a data acquisition module, a coaxiality error detection module, a hole position distribution detection module, and an offline spacing detection module. The method includes determining the two-dimensional directional deviation based on the drill bit reference feature position located by hole position image information; determining whether the coaxiality of the double-layer stepped hole is qualified based on the coaxiality error of the reference hole position; determining whether the centers of the circles on the double diagonal machining line are collinear and whether the perpendicularity of the double diagonal machining line is qualified based on the collinearity characterization parameter; determining whether the spacing of each double-layer stepped hole is qualified based on the hole opening qualification margin coefficient of the double-layer stepped hole, and adjusting the preset qualification threshold based on the non-qualification condition. This invention improves the machining accuracy of hole positioning, coaxiality, and hole position arrangement.

To easily drill a bolt hole 14 for bolt-fixing a hanging member 11 and a welding hole part 15 for welding a flange part 13 on the cylinder depth side arranged in support shaft parts 5 and 6 to a body cylinder part 10, in the body cylinder part 10 being a constituting member of a winding body 4 for winding a shutter curtain 3.SOLUTION: The welding hole boring means 20, the burring hole boring means 21 serving as the bolt hole boring means, and the thread groove forming means 22 can be moved left and right and rotated around the axis relative to the main body cylinder portion 10, and boring of the welding hole 15 and the bolt hole 14 is controlled by the welding hole boring means 20, the burring hole boring means 21, and the thread groove forming means 22 relatively moved to the corresponding operation positions.SELECTED DRAWING: Figure 6

The application discloses a follow-up oil and gas distributor core column axial and radial drilling tool and method, and belongs to the field of machining equipment. The tool comprises a follow-up driving device, a sliding platform, a turnover mechanism, an indexing mechanism, a displacement mechanism and a clamping mechanism. The follow-up driving device is installed on the drilling machine spindle lifting shaft sleeve, and the driving rack thereof is respectively engaged with half gears of the indexing mechanism and the displacement mechanism. During the downward movement of the drilling machine spindle, the core column is automatically driven to complete the rotary indexing and axial displacement. The drilling method disclosed by the application is based on the above tool, and realizes the automatic indexing, displacement and resetting of the core column during the machining of the radial hole and the axial hole. The application realizes the full-automatic machining of the axial hole and the radial hole of the core column under one-time clamping, effectively avoids the manual operation error, improves the machining precision and efficiency, and has good process adaptability and automation degree.

The application provides a hard inclined rock surface cast-in-place pile drilling method and relates to the technical field of building engineering. The hard inclined rock surface cast-in-place pile drilling method comprises the following steps: determining the position of the soft rock layer of the pile hole; inserting the first excess steel bars of the pile foundation reinforcement cage main reinforcement into the soft rock layer along the axial direction of the pile hole and backfilling the first layer of stone slices; pressing the first excess steel bars and the first layer of stone slices into the soft rock layer by using an impact drill; making the second excess steel bars of the pile foundation reinforcement cage main reinforcement into a steel mesh and horizontally filling the steel mesh into the pile hole; backfilling the second layer of stone slices on the steel mesh; impacting the second layer of stone slices by using the impact drill; and drilling. The combined backfilling of the horizontal steel mesh and the second layer of stone slices can improve the uniformity of the impact interface, avoid the deflection of the drilling tool of the impact drill, and thus can reduce the drilling cost of the hard inclined rock surface cast-in-place pile and improve the drilling construction efficiency.

A drilling tool for making an undercut within a solid material comprises a shaft extending along a longitudinal axis between a proximal end and a distal end, a gripping portion located at the proximal end, a gripping portion located at the distal end, comprising a blade having a helical course around the longitudinal axis, and a mechanical stop, arranged along the longitudinal extension of the shaft, adapted to create mechanical interference with an outer surface of the solid material so as to interrupt the translational advancement of the tool within the solid material. The shaft has at least a first diameter extending at least from the end portion to the mechanical stop.

The application discloses a novel full-compatible spacer body drilling method and production line, relates to the technical field of power fitting processing, and comprises the following steps: compatible full-series product specification body drilling tool design, compact and simple material path design, and movable compressed air chip removal structure design. The spacer body is transported to a mechanical hand through the full-series specification tool, the spacer body is gripped by the mechanical hand to the full-series specification drilling tool, compressed air is opened and blow away drilling by-products (drilling chips) after drilling is completed, the spacer body after drilling is gripped by the mechanical hand to a finished product transfer frame, different specifications of spacer bodies do not need to replace tools, tool costs are reduced, a large amount of tool replacement and debugging tool time generated during processing of different specifications of products is saved, manual skill requirements and manual costs are reduced, the working efficiency of the equipment is improved, and the application has extremely high practical value and popularization prospect.

This invention provides a tool feeding mechanism that controls the thrust force of a rotating tool on a workpiece. [Solution] A method for machining holes in a workpiece, wherein a rotary tool for machining holes is advanced relative to the workpiece using fluid pressure, and the cutting force acting in the direction of the central axis of the rotary tool is variably controlled according to the area in contact between the cutting edge of the rotary tool and the workpiece.

The invention relates to a CFRP high-quality laser drilling method cooperatively assisted by hydrochloric acid and a zinc plate, and belongs to the technical field of composite material processing. The method comprises the following steps: S1, pretreating the surface of a sample; s2, mounting a sample and accurately positioning the sample; s3, planning a processing path and setting an aperture; s4, determining process parameters; s5, drilling is carried out according to set parameters; and S6, after machining, the heat affected zone, the roundness, the taper and the inner wall roughness of the through hole are measured. According to the method, the hydrochloric acid solution is used for strengthening heat dissipation and promoting chip discharge, meanwhile, the zinc plate is used for absorbing residual heat and regulating and controlling the appearance of an outlet through the interaction between the zinc plate and laser, and therefore the quality of the through hole is remarkably improved, the taper of the through hole is as low as 0.029, the roughness of the inner wall is only 1.097 m, the roundness of an inlet and the roundness of an outlet are as high as 99.4% and 98.1% respectively, and no thermal damage exists in an outlet area. The process is efficient and stable, high-quality through hole preparation of an advanced composite material can be achieved, the application requirement of the high-end equipment field is met, and good engineering application value is achieved.

The invention relates to a device for drilling a substantially vertical bore (100) in the ground (200), in particular for creating a shaft, from a starting point to a target point, comprising: * a plurality of lining elements (115) for producing a lining (110) of the bore (100); * a drilling machine (20) for producing the bore (100) in the ground (200), which drilling machine is arranged in at least one lining element (115), * a drill head (30) having a main body (32) for connecting to a drilling machine (20), * a pushing unit (50) provided at the starting point (101) and having at least one actuator (51) for pressing the lining elements (115) into the ground and / or for generating a pressing force acting on the drill head (30) during drilling; * at least one conveying device which conveys the material removed by the drill head (30) out of the receiving container (36) of the drill head (30) behind the drilling tools (31) through the drilling machine (20).

An apparatus, rock drilling rig and drilling method is provided. The apparatus provides position control data for controlling positioning a rock drilling unit of a rock drilling rig arranged for drilling transverse drill hole patterns in an underground tunnel. The apparatus includes a teaching feature for gathering data on manually controlled movements at the location of the drill hole pattern and to thereby detect a movement path, which is collision free. The data on the taught collision free movement path is implemented when controlling the rock drilling unit during an actual drilling phase.