CN105921799A - Horizontal type internal keyway milling machine tool - Google Patents

Horizontal type internal keyway milling machine tool Download PDF

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Publication number
CN105921799A
CN105921799A CN201610352425.8A CN201610352425A CN105921799A CN 105921799 A CN105921799 A CN 105921799A CN 201610352425 A CN201610352425 A CN 201610352425A CN 105921799 A CN105921799 A CN 105921799A
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CN
China
Prior art keywords
spindle
main shaft
milling machine
internal keyway
slide unit
Prior art date
Application number
CN201610352425.8A
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Chinese (zh)
Other versions
CN105921799B (en
Inventor
王豫康
何发辉
Original Assignee
南通西马特机器制造有限公司
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Application filed by 南通西马特机器制造有限公司 filed Critical 南通西马特机器制造有限公司
Priority to CN201610352425.8A priority Critical patent/CN105921799B/en
Publication of CN105921799A publication Critical patent/CN105921799A/en
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Publication of CN105921799B publication Critical patent/CN105921799B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/30Milling straight grooves, e.g. keyways

Abstract

The invention discloses a horizontal type internal keyway milling machine tool. The horizontal type internal keyway milling machine tool comprises a tool body, wherein a longitudinal guide rail is arranged on the tool body; a sliding table is arranged on the longitudinal guide rail; a milling device is fixed on the sliding table and comprises a spindle seat, a spindle sleeve, a spindle, a spindle with a cutter and a milling cutter; the spindle seat is fixed on the sliding table; the right end of the spindle sleeve is arranged in a spindle seat hole; the spindle is fixed on the spindle sleeve and is connected to the horizontally arranged spindle with the cutter through a bevel gear pair; the spindle with the cutter and the milling cutter are fixed; a working feeding box is arranged at the right end of the tool body; a longitudinal lead screw which drives the sliding table to work and feed through the working feeding box is arranged in the middle of the longitudinal guide rail; an adjusting part is arranged at the left end of the tool body; a working table is arranged between the adjusting part and the longitudinal guide rail and is positioned on a transverse guide rail; a transverse lead screw for driving the working table to slide front and back is arranged in the middle of the transverse guide rail; and an electric control cabinet is arranged at the lower part of the tool body. The horizontal type internal keyway milling machine tool is simple in structure and easy to operate, has high working efficiency and solves the machining problem of internal keyways of large and heavy workpieces.

Description

The horizontal milling machine of internal keyway
Technical field
The present invention relates to the horizontal milling machine in Machining Technology field, specifically internal keyway.
Background technology
Internal keyway be machined with the various ways such as planing, slotting, broaching and electricity cutting, and have matched cutter (such as broaching tool) and lathe, the processing of most conventional common parts is not all a problem.But some volumes are big, Heavy Weight large-scale by zero Its internal keyway of part is difficult to processing by these means, and bad by planing, Bevel Slotting Technology crudy, labor intensity is big, and electric machining is then Cost is high, productivity ratio is low, processes with broaching method, and quality is good but work efficiency is low, and labor intensity is big.Oversize part is also by machine Bed parameter limits, it more difficult to solve.Such as, the fairlead of vertical drilling machine with round column worktable lifting as shown in Figure 1, weight 32kg, with plane, inserts about 2.5 hours/part of processing, and difficult quality controls;Then clamping of broaching is difficult, also needs 8 times with the longest broaching tool Cutting is gradually deepened to size, and labor intensity is very big, machining period about 40 minutes;Electric machining then high cost and difficulty have properly Lathe.Elevating bracket as shown in Figure 2, weigh 45kg, guide sleeve of stand column as shown in Figure 3, weight 169kg, internal key groove depth 16mm, Length 545mm, more without suitable lathe also without corresponding cutters, it is more difficult to clamping, there is no suitable lathe at present can process.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of simple in construction, work efficiency height, the internal keyway milling of processing ease Cut lathe, solve large-scale, an internal keyway processing difficult problem for heavy workpiece.
The present invention is by the following technical solutions: the horizontal milling machine of internal keyway, and including lathe bed, described lathe bed is provided with longitudinally leads Rail, described longitudinal rail is provided with slide unit, and described slide unit is fixed with milling attachment, and described milling attachment includes spindle drum, master Axle sleeve, main shaft, dress cutter main shaft and milling cutter, described spindle drum is fixed on slide unit, and the right-hand member of described collar bush is positioned at spindle drum In hole, being fixed with main shaft and driven by spindle motor in described collar bush, described main shaft passes through bevel gear pair and is horizontally disposed with Dress cutter main shaft connect, described dress cutter main shaft fixes with milling cutter, and described lathe bed right-hand member is provided with work feed case, described longitudinal rail Centre is provided with longitudinal screw mandrel, and described longitudinal screw mandrel passes through work feed case transmission, drives slide unit work feed, described lathe bed left end Being provided with school and adjust parts, the workbench being provided with clamping workpiece between parts and longitudinal rail left end, described workbench position are adjusted in described school On cross slide way, being provided with the cross lead screw driving workbench slide anteroposterior in the middle of described cross slide way, described lathe bed bottom sets Electric control box, described electric control box is had to be manipulated by push-button station.
Further, described slide unit right-hand member is provided with fast feed case, and is rotated by transmission nut and make slide unit quickly move.
Preferably, described fast feed case passes through F.F. driven by motor, and described F.F. motor is the electricity with skidding function Machine.
Further, the left front end of described collar bush is to being connected to shock absorbing axle, and described school adjusts parts to be provided with for fixing shock absorbing axle Support seat.
Further, being provided with copper sheathing in described bearing, described copper sheathing two ends are provided with sealing ring, and described copper sheathing top is provided with oil Cup.
Further, described slide unit side is provided with lubricating pump.
Further, described workbench is fixed on cross slide way by T-slot bolt.
The method have the advantages that: the internal keyway (fixture and cutter need to be changed) of variously-shaped part 1, can be processed;2, work efficiency is at double Improve;3, easy to operate simply, primary skilled worker just can learn to operate with half a day, and labor intensity is the lowest;4, lathe has Automatic Cycle function, it is possible to achieve multi machine tool operation;5, stretching in workpiece hole by special-purpose milling cutter, a milling completes large-scale, weight The internal keyway processing of type workpiece;6, the blank of keyseater filled up by this lathe.
Accompanying drawing explanation
Fig. 1 is the structural representation of vertical drilling machine with round column worktable lifting fairlead;
Fig. 1 a is the right view of Fig. 1;
Fig. 1 b is the left view of Fig. 1;
Fig. 1 c is the top view of Fig. 1;
Fig. 1 d is Fig. 1 a A-A sectional view;
Fig. 1 e is that the B-B of Fig. 1 is to sectional view;
Fig. 2 is the structural representation of elevating bracket;
Fig. 2 a is that the A-A of Fig. 2 is to sectional view;
Fig. 3 is the structural representation of guide sleeve of stand column;
Fig. 3 a is the left view of Fig. 3;
Fig. 3 b is the top view of Fig. 3;
Fig. 4 is the structural representation of the present invention;
Fig. 5 is the axonometric chart of Fig. 4;
Fig. 6 is the sectional view of Fig. 4;
Fig. 6 a is that the A-A of Fig. 6 is to sectional view;
Fig. 6 b is the K direction view of Fig. 6;
Fig. 7 is the partial enlarged drawing at Fig. 6 I;
Fig. 7 a is that the B-B of Fig. 7 is to sectional view;
Fig. 8 is the partial enlarged drawing in Fig. 6 at II;
Fig. 9 is the partial enlarged drawing in Fig. 6 at III;
Figure 10 is in Fig. 6The partial enlarged drawing at place;
Figure 10 a is that the C-C of Figure 10 is to sectional view;
Figure 11 is the structural representation of milling attachment;
Figure 12 is the A-A sectional view of Figure 11;
Figure 13 is the structural representation of milling cutter;
Figure 13 a is the A direction view of Figure 13;
Figure 13 b is the B direction view of Figure 13;
Figure 14 is Automatic Cycle procedure chart;
In figure, 1, lathe bed, 2, longitudinal rail, 3, slide unit, 4, milling attachment, 41, spindle drum, 42, collar bush, 43, main shaft, 44, Dress cutter main shaft, 45, milling cutter, 46, spindle motor, 461, belt pulley, 47, bevel gear pair, 48, regulation screw, 49, lock sleeve, 5, Work feed case, 6, longitudinal screw mandrel, 61, gear wheel, 62, front nut, 63, back nut, 64, screw, 7, fast feed case, 8, fast Enter motor, 9, lubricating pump, 10, school adjust parts, 101, school adjust basal plane, 11, workbench, 12, T-slot bolt, 13, cross slide way, 14, cross lead screw, 15, bearing, 151, copper sheathing, 152, sealing ring, 153, lubricating cup, 16, shock absorbing axle, 17, electric control box, 18, push-button station, 19, fairlead, 20, elevating bracket, 21, guide sleeve of stand column.
Detailed description of the invention
With specific embodiment, technical scheme is further described below in conjunction with the accompanying drawings, but the guarantor of the present invention The scope of protecting is not limited to this.
As shown in Fig. 4 to Figure 10 a, the horizontal milling machine of internal keyway, including lathe bed 1, lathe bed is provided with longitudinal rail 2, longitudinally leads Rail 2 is provided with slide unit 3, and slide unit 3 is fixed with milling attachment 4, milling attachment 4 include spindle drum 41, collar bush 42, main shaft 43, Dress cutter main shaft 44 and milling cutter 45, spindle drum 41 is fixed on slide unit 3, and the right-hand member of collar bush 42 is positioned at the hole of spindle drum 41, main Being fixed with main shaft 43 in axle sleeve 42 and driven by spindle motor 46, main shaft 43 is by bevel gear pair 47 and horizontally disposed dress cutter Main shaft 44 connects, and dress cutter main shaft 44 is fixed with milling cutter 45, and milling cutter 45 coordinates location with the face of cylinder and end face with dress cutter main shaft 43, vertical The parts such as slide unit 3 on direction guiding rail 2, spindle drum 41, collar bush 42 can move left and right makees cutting feed, the main shaft in collar bush 42 Cutting main motion made by 43 transmission milling cutters 45.
Lathe bed 1 right-hand member is provided with in the middle of work feed case 5, longitudinal rail 2 and is provided with longitudinal screw mandrel 6, and longitudinal screw mandrel 6 passes through work feed Case 5 transmission, longitudinal screw mandrel 6 drives slide unit 3 to work feeding by nut.Slide unit right-hand member is provided with fast feed case 7, and by passing Dynamic nut rotates and makes slide unit 3 quickly move, and slide unit 3 side is additionally provided with lubricating pump 9.When not cutting, fast feed case 7 makes slide unit 3 The most mobile to improve effect, work feed speed is 100mm/min, and fast feed speed is 1500 mm/min, two feedings The motion of case can each not interfere with each other in action, it is possible to action simultaneously.Work feed case 5 is can to obtain by frequency conversion motor transmission The multiple amount of feeding of stepless speed regulation, for preventing longitudinal screw mandrel 6 from driving nut when rotating, F.F. motor 8 is to have skidding merit The motor of energy, when the most quickly moving, this motor is all in on-position, to ensure that nut does not turns, motor braking pine time quick Open.
Lathe bed 1 left end is provided with school and adjusts parts 10, and the workbench being provided with clamping workpiece between parts 10 and longitudinal rail 2 left end is adjusted in school 11, it is partial enlarged drawing at I as shown in Figure 7, workbench 11 is fixed on cross slide way 13 by T-slot bolt 12, laterally leads The cross lead screw 14 driving workbench 11 slide anteroposterior it is provided with in the middle of rail 13.Different by Workpiece structure, hole centre-height different and Design simple fixture, together with clamping workpiece on work top, Non-follow control cross lead screw 14, drive workbench by nut 11 transversely guide rail 13 slide anteroposterior thus be used for adjusting depth of milled groove size, by T-slot spiral shell after depth of milled groove is adjusted Workbench 11 is locked by bolt 12 with cross slide way 13.The school of workpiece is adjusted easily, and lathe bed left end is provided with school and adjusts parts 10, only needs to use Adjusting the school of parts to adjust basal plane 101 to move with the dial framework of dial gauge along school below bearing 15 then can centering workpiece.
Collar bush 42 itself does not rotates, but it is oversize to overhang, and for strengthening rigidity, the left front end of collar bush 42 has docked one section by seamless steel The shock absorbing axle 16 that pipe is made, is adjusted a bearing 15 fixing on parts 10 to fix by lathe bed 1 left end school, as Figure 11 shows, and supporting Being provided with copper sheathing 151 in seat 15, copper sheathing two ends are provided with sealing ring 152, are possible to prevent chip and foreign material to enter and prevent from biting, copper sheathing Top is provided with lubricating cup 153, is lubricated copper sheathing 151.Shock absorbing axle 16 does not rotates, and the nut adjusting copper sheathing 151 two ends is permissible Adjust the fit clearance of copper sheathing 151 and shock absorbing axle 16, in order to obtain satisfied shock absorbing effect.
Lathe bed 1 bottom is provided with electric control box 17, and electric control box 17 is manipulated by push-button station 18.Push-button station divides two big functions District, one is manual part, can control quickly movable, the stepless speed regulation of work feed of main axis, slide unit and front and back work Feeding, manually the button of part is for adjusting, to cutter, adjustment travel switch, completes the adjustment of first work pieces process;Two is automatic Cycle button, when continuing processing after having manually adjusted, then can start this button.Automatic Cycle action is as shown in figure 14.
Partial enlarged drawing at III as shown in Figure 9, the nut being enclosed within gear wheel 61 hole on longitudinal screw mandrel 6 is divided into forward and backward two Part, front nut 62 is fixing with gear wheel 61 laminating, and back nut 63 raised head face and gear wheel 61 rear end face are reserved with 2mm gap, The compressible gap of spinning screw 64 is to eliminate the fit clearance of nut and longitudinal screw mandrel 6, without creeping without altering when making slide unit 3 move Dynamic, it is ensured that crudy, prevent tool damage.
As is illustrated by figs. 11 and 12, collar bush 42 is contained in spindle drum 41 hole, itself does not moves, and utilizes regulation screw 48 to regulate After the horizontal level (on figure, the upright position of picture is convenient for drawing) of milling cutter 45, then lock sleeve 49 is compressed, with tangential locking Mode fix collar bush 42.Through 461 two kinds of speed changes of belt pulley, (belt pulley has two groups of different-diameters, Figure 11 to spindle motor 46 Middle display is low or first gear, and being changed by belt is the most then top gear) pass to main shaft 43, then reach vertical with main shaft through bevel gear pair 47 Straight dress cutter main shaft 44, milling cutter 45 coordinates location with the face of cylinder and end face with dress cutter main shaft 44, carries out milling.If Figure 13 is to figure 13b show the structural representation of milling cutter, and diameter and the length of milling cutter 45 cutting tip change with workpiece difference, but its shank Structure and size should keep consistent.
The horizontal milling machine of this internal keyway can process the internal keyway (need to change fixture and cutter) of variously-shaped part.Work efficiency becomes Improve again: the fairlead 19 of the vertical drilling machine with round column worktable lifting of weight 32kg as shown in Fig. 1 to Fig. 1 e, in the machine Bed is processed and is improved 6 times than broaching, improves 20~25 times than inserting, dig processing;The elevating bracket of the 45kg that weighs as shown in Fig. 2 to Fig. 3 b 20 and the milling method of guide sleeve of stand column 21 of weight 169kg process because comparing without appropriate process, excellent especially highlight.
Work process is as follows: the longitudinal screw mandrel 6 in the middle of work feed case 5 transmission longitudinal rail 2, drives slide unit 3 to make work feed, Fast feed case 7 transmission nut of slide unit 3 right-hand member rotates and makes slide unit 3 quickly move, and the motion of two feed boxes can be respective Action does not interfere with each other, it is possible to action simultaneously.Slide unit 3 moves and drives the spindle drum 41 being fixed in the above to move, and then makes collar bush Main shaft 43 in 42 moves, and requires milling internal keyway when moving on to workpiece above workbench 11 with the fixing dress cutter main shaft 44 of main shaft 43 Position after utilize regulation screw 48 regulate milling cutter 45 horizontal level (figure on the upright position of picture be for drawing facilitate) after, Again lock sleeve 49 is compressed, in the way of tangential locking, fix collar bush 42.The most manually control cross lead screw 14, band Station of starting building 11 transversely guide rail 13 slide anteroposterior thus for adjusting depth of milled groove size, pass through after depth of milled groove is adjusted Workbench 11 is locked by T-slot bolt 12 with cross slide way 13.Then main shaft 43 is driven to rotate by spindle motor 46, main shaft 43 Drive dress cutter main shaft 44 to rotate by bevel gear pair 47, and then make milling cutter 45 make cutting main motion, start milling internal keyway.Above Operate and manipulate electric control box, the manual part of push-button station by push-button station, main axis, slide unit can be controlled and quickly front and back move Dynamic, the stepless speed regulation of work feed and work feed front and back, manually the button of part be used for adjusting, to cutter, adjust Automatic Cycle Travel switch, complete the adjustment of first work pieces process;When continuing second identical workpiece of processing after having manually adjusted, then Automatic Cycle on start button station is only needed to switch.

Claims (7)

1. the horizontal milling machine of internal keyway, including lathe bed, it is characterised in that described lathe bed is provided with longitudinal rail, described longitudinal direction Guide rail is provided with slide unit, and described slide unit is fixed with milling attachment, and described milling attachment includes spindle drum, collar bush, main shaft, dress Cutter main shaft and milling cutter, described spindle drum is fixed on slide unit, and the right-hand member of described collar bush is positioned at the hole of spindle drum, described main shaft Being fixed with main shaft in set and driven by spindle motor, described main shaft is by bevel gear pair with horizontally disposed dress cutter main shaft even Connecing, described dress cutter main shaft is fixed with milling cutter, and described lathe bed right-hand member is provided with work feed case, is provided with longitudinal direction in the middle of described longitudinal rail Screw mandrel, described longitudinal screw mandrel passes through work feed case transmission, drives slide unit work feed, and described lathe bed left end is provided with tune portion, school Part, is provided with the workbench of clamping workpiece between described school tune parts and longitudinal rail left end, described workbench is positioned at cross slide way On, it being provided with the cross lead screw driving workbench slide anteroposterior in the middle of described cross slide way, described lathe bed bottom is provided with electrical control Case, described electric control box is manipulated by push-button station.
The horizontal milling machine of internal keyway the most according to claim 1, it is characterised in that described slide unit right-hand member is provided with quickly to enter To case, and rotated by transmission nut and make slide unit quickly move.
The horizontal milling machine of internal keyway the most according to claim 2, it is characterised in that described fast feed case passes through F.F. Driven by motor, described F.F. motor is the motor with skidding function.
The horizontal milling machine of internal keyway the most according to claim 1, it is characterised in that the left front end docking of described collar bush Having shock absorbing axle, described school adjusts parts to be provided with the support seat for fixing shock absorbing axle.
The horizontal milling machine of internal keyway the most according to claim 4, it is characterised in that described
Being provided with copper sheathing in propping up bearing, described copper sheathing two ends are provided with sealing ring, and described copper sheathing top is provided with lubricating cup.
The horizontal milling machine of internal keyway the most according to claim 1, it is characterised in that described slide unit side is provided with lubrication Pump.
The horizontal milling machine of internal keyway the most according to claim 1, it is characterised in that described workbench passes through T-slot spiral shell Bolt is fixed on cross slide way.
CN201610352425.8A 2016-05-25 2016-05-25 The horizontal milling machine of internal keyway CN105921799B (en)

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CN105921799B CN105921799B (en) 2018-08-24

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107363310A (en) * 2017-08-23 2017-11-21 大连大学 A kind of CNC milling machine for Artillery rifle processing
CN108890002A (en) * 2018-09-07 2018-11-27 长沙哈镘数控深孔技术有限责任公司 A kind of CNC milling machine
CN110899786A (en) * 2019-11-22 2020-03-24 舟山市金塘山舟机械厂 Milling cutter device for milling groove of inner hole of machine barrel
CN110961707A (en) * 2019-11-22 2020-04-07 舟山市金塘山舟机械厂 A slot milling machine for barrel hole milling flutes
CN110961706A (en) * 2019-11-22 2020-04-07 舟山市金塘山舟机械厂 Groove milling method for inner hole of machine barrel
CN110976989A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Milling cutter structure for milling groove of inner hole of machine barrel
CN110976990A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Manufacturing method of milling cutter for milling groove in inner hole of machine barrel
CN110976988A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Numerical control slot milling machine for milling slot in inner hole of machine barrel

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CN203664775U (en) * 2013-11-27 2014-06-25 郑州金鑫机械制造有限公司 Processing machine for long key groove of large workpiece
CN103978254A (en) * 2014-05-09 2014-08-13 中机中联工程有限公司 Light rail support keyway processing equipment and processing method thereof
CN105537656A (en) * 2016-02-26 2016-05-04 四川德恩精工科技股份有限公司 Double-sided special key slot milling machine
CN205764092U (en) * 2016-05-25 2016-12-07 南通西马特机器制造有限公司 The horizontal milling machine of internal keyway

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JP2004042162A (en) * 2002-07-09 2004-02-12 Nagao Mokko:Kk Method and device of processing groove hole of square cylindrical work
CN101100035A (en) * 2007-07-19 2008-01-09 上海鼓风机厂有限公司 Bevel-gear right-angle milling head
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107363310A (en) * 2017-08-23 2017-11-21 大连大学 A kind of CNC milling machine for Artillery rifle processing
CN107824851A (en) * 2017-08-23 2018-03-23 大连大学 A kind of milling cutter system
CN108031908A (en) * 2017-08-23 2018-05-15 大连大学 A kind of CNC milling machine for rifling processing
CN107363310B (en) * 2017-08-23 2019-07-30 大连大学 A kind of CNC milling machine for Artillery rifle processing
CN107824851B (en) * 2017-08-23 2020-01-03 大连大学 Milling cutter system
CN108890002A (en) * 2018-09-07 2018-11-27 长沙哈镘数控深孔技术有限责任公司 A kind of CNC milling machine
CN110899786A (en) * 2019-11-22 2020-03-24 舟山市金塘山舟机械厂 Milling cutter device for milling groove of inner hole of machine barrel
CN110961707A (en) * 2019-11-22 2020-04-07 舟山市金塘山舟机械厂 A slot milling machine for barrel hole milling flutes
CN110961706A (en) * 2019-11-22 2020-04-07 舟山市金塘山舟机械厂 Groove milling method for inner hole of machine barrel
CN110976989A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Milling cutter structure for milling groove of inner hole of machine barrel
CN110976990A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Manufacturing method of milling cutter for milling groove in inner hole of machine barrel
CN110976988A (en) * 2019-11-22 2020-04-10 舟山市金塘山舟机械厂 Numerical control slot milling machine for milling slot in inner hole of machine barrel

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