CN102294625A - Screw tap grinding device - Google Patents
Screw tap grinding device Download PDFInfo
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- CN102294625A CN102294625A CN2011102584117A CN201110258411A CN102294625A CN 102294625 A CN102294625 A CN 102294625A CN 2011102584117 A CN2011102584117 A CN 2011102584117A CN 201110258411 A CN201110258411 A CN 201110258411A CN 102294625 A CN102294625 A CN 102294625A
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Abstract
The invention discloses a screw tap grinding device, and belongs to an auxiliary device of a machine tool. The screw tap grinding device is characterized by mainly consisting of a fixed bottom plate, a screw tap moving device, a screw tap jacking and clamping device and a screw tap supporting and guiding device, wherein the fixed bottom plate is fixed on a workbench of a grinding machine through T-shaped bolts; the screw tap moving device mainly consists of a sliding bottom plate, a rear fixed baffle plate, a front adjustable baffle plate, a gear, a rack, a gear shaft, a gear shaft seat and a hand wheel; the screw tap jacking and clamping device mainly consists of a fixed center seat, a fixed center, a locking bolt, a movable center seat, a movable center, a compression spring, a pushing screw hole plate and a pushing bolt; and the screw tap supporting and guiding device mainly consists of a seat plate, a sleeve, a jacking spring, a supporting rod and a locking screw. In use, the screw tap grinding device is fixedly arranged on the workbench of the grinding machine, a flat template on the supporting rod is in full contact with two sides of a screw tap slot, a screw tap to be ground reciprocates relative to a butterfly grinding wheel, and the screw tap is recycled, so that the production cost is reduced.
Description
Technical field
The invention belongs to machine tool auxiliary device, especially relate to a kind of screw tap arrangement for grinding.
Background technology
At present, screw tap is widely used in the hole processing of workpiece, and screw tap situations such as tooth, snaggletooth, blade tip burst apart, cutting edge wearing and tearing occur collapsing easily in the process of hole processing; For the big enterprise of screw tap demand, the input cost of rationally controlling screw tap is of great advantage to the control of production cost, so the length in screw tap service life just seems particularly important.At present, the screw tap that uses on the domestic market has two kinds on homemade screw tap and import screw tap, and homemade screw tap is made the restriction of quality, though price is shorter comparatively cheap its service life; And the service life of import screw tap is longer relatively, but price is higher, all has defective in various degree.
Summary of the invention
The purpose of this invention is to provide a kind of screw tap arrangement for grinding, this device can carry out reconditioning to the screw tap cutting edge of different model, and screw tap can be utilized once more, improves the service life of screw tap indirectly, reduces the purchase cost of screw tap, promptly reduces the production cost of enterprise.
The object of the present invention is achieved like this: a kind of screw tap arrangement for grinding, it is characterized in that: this screw tap arrangement for grinding mainly is made up of fixed base plate, silk dimension mobile device, screw tap top clamp device and screw tap support oriented device, rectangular fixed base plate is fixed on by tommyhead bolt that (correspondence is offered step through-hole on fixed base plate on the workbench of grinding machine, install the interior hexagonal tommyhead bolt of band nut, in the corresponding again T-slot that is slidingly mounted on the Grinder bench of each tommyhead bolt); The screw tap mobile device is mainly by sliding floor, back fixed dam, preceding adjustable plate washer, gear, tooth bar, gear shaft, gear shaft block and handwheel are formed, the back fixed dam that front side portion offers the strip of monolateral dovetail groove is installed on the rear lateral portion of fixed base plate with bolting, the preceding fender plate that rear lateral portion offers the strip of monolateral dovetail groove is positioned at the front upper side portion of fixed base plate, the uniform screw of offering on the front side edge of fixed base plate, the adjustment pressing plate of strip is installed with bolt, and adjust the uniform from left to right hexagonal of opening in screw and the spinning in the top of pressing plate at this and adjust bolt, each adjusts bolt against preceding fender plate, at the corresponding sliding floor of front and back side that fixedly is slidingly installed between plate washer and the preceding fender plate in the back on the fixed base plate with monolateral dovetail limit, and the dovetail limit, front and back on the sliding floor is slidingly fitted with monolateral dovetail groove on back fixed dam and the preceding fender plate, its fit clearance is adjusted bolt and is adjusted by each, in addition, at the left part of fixed base plate upper surface bolting mounting teeth axle block, the rectangular U-shaped in the cross section of this gear shaft block, on the U-lag wall on the top of gear shaft block, offer coaxial front and back axis hole, in this antero posterior axis hole, sliding bearing is installed respectively, in the sliding bearing of front and back the erecting bed stepwise and the rear and front end section all be with externally threaded gear shaft, the spinning nut is with fixing on the overhanging rear end section of gear shaft, on the shaft part that is arranged in the U-lag mouth of gear shaft, gear is installed with key, the handwheel of suit band hand wheel handle and fix on the overhanging front end rigion of gear shaft with nut, rotate handwheel, the driven gear rotation, thereby drive the tooth bar that is meshed with gear and make move left and right, this tooth bar is fixedly mounted on again on the back dead centre seat of the wired awl in top; Screw tap top clamp device is again mainly by the back dead centre seat, back dead centre, clamping screw, the live center seat, live center, the compression spring, pushing tow screw plate and pushing tow bolt are formed, the back dead centre seat of cuboid is installed in the middle part of sliding floor left end section with bolting, about the top of this back dead centre seat is offered to central through hole, install back dead centre in the heart through hole hereinto, and make the pointed cone head of back dead centre outside the right side, stretch out the back dead centre seat, front upper side portion at the back dead centre seat offers the locking screw corresponding to the position of back dead centre, the hexagonal clamping screw is locked back dead centre in the spinning in each locking screw, simultaneously about install with bolting at the middle part of the leading flank of back dead centre seat to the tooth bar that is provided with, the transmission that is meshed of this rack and pinion; The live center seat is installed with bolting in middle part in sliding floor right-hand member section, offer the big center stepped hole of left side section little and right section diameter of diameter on the top of this live center seat, and the longitudinal center line of the through hole on the longitudinal center line that makes this stepped hole and the back dead centre seat overlaps, in the large diameter hole of right section of this stepped hole, the compression spring is installed, in the hole of the left side of this stepped hole section minor diameter and in the compression spring, install the shouldered live center of right-hand member, the left side section of this live center and the left sector hole of stepped hole be slidingly matched also the pointed cone head towards a left side overhanging efficient dead head, the convex shoulder of the right-hand member of live center is arranged in the right sector hole of stepped hole and is resisted against on the compression spring, the pushing tow screw plate is installed with bolting in top at live center seat right flank, pushing tow screw and spinning pushing tow bolt are offered in the position that is positioned at stepped hole in the top of pushing tow screw plate correspondence, rotary lifting bolt roof pressure or loosen the compression spring, make the live center move left and right, with top folder screw tap to be grinding, when screw tap to be ground is installed, the left end of screw tap to be grinding top is clipped on the back dead centre and the right-hand member top is clipped on the live center, operator's rocking-turn handwheel, rack-and-pinion work, make the back dead centre seat, the live center seat is made move left and right together with the screw tap to be grinding and the sliding floor of top folder, to satisfy the requirement of grinding screw tap; In addition, the lower portion that is positioned at the screw tap head in the middle part of sliding floor correspondence is installed the screw tap support oriented device, this screw tap support oriented device is mainly by seat board, sleeve pipe, the jacking spring, support bar and lock-screw are formed, seat board is that front and back are to the T shape plate that is provided with, seat board is made up of the upper straight-plate of strip and the rectangle or the cylindrical riser of middle part underlying, on the front and back end section of the upper straight-plate of this seat board, offer bolt hole respectively, seat board is fixedly mounted on back fixed dam and the preceding fender plate with bolt and at suit packing ring on the hypomere of bolt, offer at the middle part of this seat board the center tapped blind hole and hereinto the bottom of heart tapped blind hole offer the through hole of minor diameter, spinning sleeve pipe in the heart tapped blind hole hereinto, the inner chamber of this sleeve pipe is the big and little step through hole of upper end section diameter of hypomere diameter, in this small diameter bore, install the support bar of convex shoulder outside the section band of lower end, the convex shoulder support of the jacking spring being installed in the large diameter hole of sleeve pipe hypomere and making the support bar lower end is on the jacking spring, the epimere of support bar stretches out sleeve pipe outward and its top section is the flat pattern of circular arc head, this flat pattern stretches in the screw tap groove under the effect of jacking spring, when the reconditioning screw tap, play and support and the effect of guiding, on the tube wall of the upper end section of sleeve pipe, offer screw and spinning lock-screw to lock support bar as required.
During use, this screw tap arrangement for grinding is fixedly mounted on the workbench of grinding machine, operating back dead centre and live center respectively clamps screw tap to be grinding securely, regulate the screw tap support oriented device, flat pattern on the support bar is fully contacted with screw tap groove both sides, and lock fastening, regulate the working face of dish (emery) wheel, it is partly contacted with the cutting edge of screw tap to be grinding, shake handwheel, make sliding floor move back and forth, promptly make the relative dish (emery) wheel of screw tap to be grinding move reciprocatingly, thereby finish the process of whole reconditioning, make that screw tap can recycling, prolong the service life of screw tap, reduced production cost.
A kind of screw tap arrangement for grinding proposed by the invention, rational in infrastructure, safe and reliable, make the screw tap can recycling, prolonged the service life of screw tap, reduced production cost.
Now in conjunction with the accompanying drawings and embodiments a kind of screw tap arrangement for grinding proposed by the invention is described further.
Description of drawings
Fig. 1 is the main cross-sectional schematic of a kind of screw tap arrangement for grinding proposed by the invention.
Fig. 2 is the schematic top plan view of a kind of screw tap arrangement for grinding proposed by the invention.
Fig. 3 is that schematic diagram is looked on the left side of a kind of screw tap arrangement for grinding proposed by the invention.
Fig. 4 is a part 8 among Fig. 1: the left cross-sectional schematic of screw tap support oriented device.
Among Fig. 1-Fig. 4:
1, handwheel 2, tooth bar 3, gear shaft 4, tommyhead bolt 5, back dead centre 6, back dead centre seat 7, screw tap 8 to be grinding, screw tap support oriented device 9, dish (emery) wheel 10, live center 11, compression spring 12, pushing tow screw plate 13, pushing tow bolt 14, live center seat 15, fixed base plate 16, back fixed dam 17, sliding floor 18, gear shaft block 19, preceding adjustable plate washer 20, gear 21, adjust pressing plate 22, packing ring 23, seat board 24, sleeve pipe 25, lock-screw 26, support bar 27, the jacking spring.
The specific embodiment
From Fig. 1-Fig. 4 as can be seen: a kind of screw tap arrangement for grinding, it is characterized in that: this screw tap arrangement for grinding mainly is made up of fixed base plate 15, silk dimension mobile device, screw tap top clamp device and screw tap support oriented device 8, rectangular fixed base plate 15 is fixed on by tommyhead bolt 4 that (promptly correspondence is offered step through-hole on fixed base plate 15 on the workbench of grinding machine, install the interior hexagonal tommyhead bolt 4 of band nut, in the corresponding again T-slot that is slidingly mounted on the Grinder bench of each tommyhead bolt 4); The screw tap mobile device is mainly by sliding floor 17, back fixed dam 16, preceding adjustable plate washer 19, gear 20, tooth bar 2, gear shaft 3, gear shaft block 18 and handwheel 1 are formed, the back fixed dam 16 usefulness bolting that front side portion offers the strip of monolateral dovetail groove are installed on the rear lateral portion of fixed base plate 15, the preceding fender plate 19 that rear lateral portion offers the strip of monolateral dovetail groove is positioned at the front upper side portion of fixed base plate 15, the uniform screw of offering on the front side edge of fixed base plate 15, the adjustment pressing plate 21 of strip is installed with bolt, and adjust the uniform from left to right hexagonal of opening in screw and the spinning in the top of pressing plate 21 at this and adjust bolt, each adjusts bolt against preceding fender plate 19, at the corresponding sliding floor 17 of front and back side that fixedly is slidingly installed between plate washer 16 and the preceding fender plate 19 in the back on the fixed base plate 15 with monolateral dovetail limit, and the dovetail limit, front and back on the sliding floor 17 is slidingly fitted with monolateral dovetail groove on back fixed dam 16 and the preceding fender plate 19, its fit clearance is adjusted bolt and is adjusted by each, in addition, at the left part of fixed base plate 15 upper surfaces bolting mounting teeth axle block 18, the rectangular U-shaped in the cross section of this gear shaft block 18, on the U-lag wall on the top of gear shaft block 18, offer coaxial front and back axis hole, in this antero posterior axis hole, sliding bearing is installed respectively, in the sliding bearing of front and back the erecting bed stepwise and the rear and front end section all be with externally threaded gear shaft 3, the spinning nut is with fixing on the overhanging rear end section of gear shaft 3, on the shaft part that is arranged in the U-lag mouth of gear shaft 3, gear 20 is installed with key, the handwheel 1 of suit band hand wheel handle and fix on the overhanging front end rigion of gear shaft 3 with nut, rotate handwheel 1, driven gear 20 rotations, thereby drive the tooth bar 2 that is meshed with gear 20 and make move left and right, this tooth bar 2 is fixedly mounted on again on the back dead centre seat 6 of the wired awl in top; Screw tap top clamp device is again mainly by back dead centre seat 6, back dead centre 5, clamping screw, live center seat 14, live center 10, compression spring 11, pushing tow screw plate 12 and pushing tow bolt 13 are formed, the back dead centre seat 6 usefulness bolting of cuboid are installed in the middle part of sliding floor 17 left end sections, about the top of this back dead centre seat 6 is offered to central through hole, install back dead centre 5 in the heart through hole hereinto, and make the pointed cone head of back dead centre 5 outside the right side, stretch out back dead centre seat 6, front upper side portion at back dead centre seat 6 offers the locking screw corresponding to the position of back dead centre 5, the hexagonal clamping screw is locked back dead centre 5 in the spinning in each locking screw, simultaneously about install with bolting at the middle part of the leading flank of back dead centre seat 6 to the tooth bar 2 that is provided with, the transmission that is meshed with gear 20 of this tooth bar 2; Live center seat 14 is installed with bolting in middle part in sliding floor 17 right-hand member sections, offer the big center stepped hole of left side section little and right section diameter of diameter on the top of this live center seat 14, and the longitudinal center line of the through hole on the longitudinal center line that makes this stepped hole and the back dead centre seat 6 overlaps, in the large diameter hole of right section of this stepped hole, compression spring 11 is installed, in the hole of the left side of this stepped hole section minor diameter and in the compression spring 11, install the shouldered live center 10 of right-hand member, the left side section of this live center 10 and the left sector hole of stepped hole be slidingly matched also the pointed cone head towards a left side overhanging efficient dead head 14, the convex shoulder of the right-hand member of live center 10 is arranged in the right sector hole of stepped hole and is resisted against on the compression spring 11, pushing tow screw plate 12 is installed with bolting in top at live center seat 14 right flanks, pushing tow screw and spinning pushing tow bolt 13 are offered in the position that is positioned at stepped hole in the top of pushing tow screw plate 12 correspondence, rotary lifting bolt 13 roof pressures or loosen the compression spring 11, make live center 10 move left and right, with top folder screw tap 7 to be grinding, when screw tap 7 to be ground is installed, the left end of screw tap 7 to be grinding top is clipped on the back dead centre 5 and the right-hand member top is clipped on the live center 10, operator's rocking-turn handwheel 1,2 work of gear 20 tooth bars, make back dead centre seat 6, live center seat 14 is made move left and right together with the screw tap to be grinding 7 and the sliding floor 17 of top folder, to satisfy the requirement of grinding screw tap; In addition, the lower portion that is positioned at the screw tap head in the middle part of sliding floor 17 correspondence is installed screw tap support oriented device 8, this screw tap support oriented device 8 is mainly by seat board 23, sleeve pipe 24, jacking spring 27, support bar 26 and lock-screw 25 are formed, seat board 23 is that front and back are to the T shape plate that is provided with, seat board 23 is made up of the upper straight-plate of strip and the rectangle or the cylindrical riser of middle part underlying, on the front and back end section of the upper straight-plate of this seat board 23, offer bolt hole respectively, seat board 23 is fixedly mounted on back fixed dam 16 and the preceding fender plate 19 with bolt and at suit packing ring 22 on the hypomere of bolt, offer at the middle part of this seat board 23 the center tapped blind hole and hereinto the bottom of heart tapped blind hole offer the through hole of minor diameter, spinning sleeve pipe 24 in the heart tapped blind hole hereinto, the inner chamber of this sleeve pipe 24 is the big and little step through hole of upper end section diameter of hypomere diameter, in this small diameter bore, install the support bar 26 of convex shoulder outside the section band of lower end, the convex shoulder support of jacking spring 27 being installed in the large diameter hole of sleeve pipe 24 hypomeres and making support bar 26 lower ends is on jacking spring 27, the epimere of support bar 26 stretches out sleeve pipe 24 outward and its top section is the flat pattern of circular arc head, this flat pattern stretches in the screw tap groove under the effect of jacking spring 27, when the reconditioning screw tap, play and support and the effect of guiding, on the tube wall of the upper end section of sleeve pipe 24, offer screw and spinning lock-screw 25 to lock support bar 26 as required.
During use, this screw tap arrangement for grinding is fixedly mounted on the workbench of grinding machine, operating back dead centre 5 and live center 10 respectively clamps screw tap 7 to be grinding securely, regulate screw tap support oriented device 8, flat pattern on the support bar 26 is fully contacted with screw tap groove both sides, and lock fastening, regulate the working face of dish (emery) wheel 9, its cutting edge with screw tap 7 to be grinding is partly contacted, shake handwheel 1, make sliding floor 17 move back and forth, promptly make screw tap 7 relative dish (emery) wheels 9 to be grinding move reciprocatingly, thereby finish the process of whole reconditioning, make that screw tap can recycling, prolong the service life of screw tap, reduced production cost.
Claims (1)
1. screw tap arrangement for grinding is characterized in that:
A, this screw tap arrangement for grinding mainly are made up of fixed base plate (15), silk dimension mobile device, screw tap top clamp device and screw tap support oriented device (8), and rectangular fixed base plate (15) is fixed on the workbench of grinding machine by tommyhead bolt (4);
B, the screw tap mobile device is mainly by sliding floor (17), back fixed dam (16), preceding adjustable plate washer (19), gear (20), tooth bar (2), gear shaft (3), gear shaft block (18) and handwheel (1) are formed, the back fixed dam (16) that front side portion offers the strip of monolateral dovetail groove is installed on the rear lateral portion of fixed base plate (15) with bolting, the preceding fender plate (19) that rear lateral portion offers the strip of monolateral dovetail groove is positioned at the front upper side portion of fixed base plate (15), the uniform screw of offering on the front side edge of fixed base plate (15), the adjustment pressing plate (21) of strip is installed with bolt, and adjust at this that top of pressing plate (21) is uniform from left to right opens hexagonal adjustment bolt screw and spinning in, each adjusts bolt against preceding fender plate (19), be positioned at the back front and back corresponding sliding floor of side (17) that fixedly is slidingly installed between plate washer (16) and the preceding fender plate (19) on the fixed base plate (15) with monolateral dovetail limit, and the dovetail limit, front and back on the sliding floor (17) is slidingly fitted with monolateral dovetail groove on back fixed dam (16) and the preceding fender plate (19), at the left part of fixed base plate (15) upper surface bolting mounting teeth axle block (18), the rectangular U-shaped in cross section of this gear shaft block (18), on the U-lag wall on the top of gear shaft block (18), offer coaxial front and back axis hole, in this antero posterior axis hole, sliding bearing is installed respectively, in the sliding bearing of front and back the erecting bed stepwise and the rear and front end section all be with externally threaded gear shaft (3), the spinning nut is with fixing on the overhanging rear end section of gear shaft (3), on the shaft part that is arranged in the U-lag mouth of gear shaft (3), gear (20) is installed, the handwheel (1) of suit band hand wheel handle and fix on the overhanging front end rigion of gear shaft (3) with nut with key;
C, screw tap top clamp device is again mainly by back dead centre seat (6), back dead centre (5), clamping screw, live center seat (14), live center (10), compression spring (11), pushing tow screw plate (12) and pushing tow bolt (13) are formed, the back dead centre seat (6) of cuboid is installed in the middle part of sliding floor (17) left end section with bolting, about the top of this back dead centre seat (6) is offered to central through hole, install back dead centre (5) hereinto in the heart through hole, and the pointed cone head that makes back dead centre (5) stretches out back dead centre seat (6) outside the right side, front upper side portion at back dead centre seat (6) offers the locking screw corresponding to the position of back dead centre (5), the hexagonal clamping screw is locked back dead centre (5) in the spinning in each locking screw, simultaneously about install with bolting at the middle part of the leading flank of back dead centre seat (6) to the tooth bar (2) that is provided with, this tooth bar (2) transmission that is meshed with gear (20); Live center seat (14) is installed with bolting in middle part in sliding floor (17) right-hand member section, offer the big center stepped hole of left side section little and right section diameter of diameter on the top of this live center seat (14), and the longitudinal center line of the through hole on the longitudinal center line that makes this stepped hole and the back dead centre seat (6) overlaps, in the large diameter hole of right section of this stepped hole, compression spring (11) is installed, in the hole of the left side of this stepped hole section minor diameter and in the compression spring (11), install the shouldered live center of right-hand member (10), the left side section of this live center (10) and the left sector hole of stepped hole be slidingly matched also the pointed cone head towards a left side overhanging efficient dead head (14), the convex shoulder of the right-hand member of live center (10) is arranged in the right sector hole of stepped hole and is resisted against on the compression spring (11), pushing tow screw plate (12) is installed with bolting in top at live center seat (14) right flank, pushing tow screw and spinning pushing tow bolt (13) are offered in the position that is positioned at stepped hole in the top correspondence of pushing tow screw plate (12), and the left end top of screw tap to be grinding (7) is clipped in that back dead centre (5) is gone up and the right-hand member top is clipped on the live center (10);
D, be positioned at the lower portion installation screw tap support oriented device (8) of screw tap head in the middle part correspondence of sliding floor (17), this screw tap support oriented device (8) is mainly by seat board (23), sleeve pipe (24), jacking spring (27), support bar (26) and lock-screw (25) are formed, seat board (23) is that front and back are to the T shape plate that is provided with, seat board (23) is made up of the upper straight-plate of strip and the rectangle or the cylindrical riser of middle part underlying, on the front and back end section of the upper straight-plate of this seat board (23), offer bolt hole respectively, seat board (23) is fixedly mounted on back fixed dam (16) and the preceding fender plate (19) with bolt and at suit packing ring (22) on the hypomere of bolt, offer at the middle part of this seat board (23) the center tapped blind hole and hereinto the bottom of heart tapped blind hole offer the through hole of minor diameter, spinning sleeve pipe (24) in the heart tapped blind hole hereinto, the inner chamber of this sleeve pipe (24) is the big and little step through hole of upper end section diameter of hypomere diameter, in this small diameter bore, install the support bar (26) of convex shoulder outside the section band of lower end, the convex shoulder support of jacking spring (27) being installed in the large diameter hole of sleeve pipe (24) hypomere and making support bar (26) lower end is on jacking spring (27), the epimere of support bar (26) stretches out sleeve pipe (24) outward and its top section is the flat pattern of circular arc head, offers screw and spinning lock-screw (25) with locking support bar (26) on the tube wall of the upper end section of sleeve pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258411 CN102294625B (en) | 2011-09-02 | 2011-09-02 | Screw tap grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258411 CN102294625B (en) | 2011-09-02 | 2011-09-02 | Screw tap grinding device |
Publications (2)
| Publication Number | Publication Date |
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| CN102294625A true CN102294625A (en) | 2011-12-28 |
| CN102294625B CN102294625B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110258411 Expired - Fee Related CN102294625B (en) | 2011-09-02 | 2011-09-02 | Screw tap grinding device |
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| CN108942427A (en) * | 2018-08-08 | 2018-12-07 | 扬州江宇刃具有限公司 | Combined tap and drill drill bit chamfering grinding device and its grinding process |
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Address after: 243000 Ma'anshan Province Economic and Technological Development Zone, West Mountain Road, Anhui Applicant after: Maanshan Fangyuan Slewing Ring Co., Ltd. Address before: 243000 Anhui city of Ma'anshan province Jinjiazhuang District Cihu Chemical Industry Road No. 1 Applicant before: Maanshan Fangyuan Slewing Ring Co., Ltd. |
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