CN113927102B - Spliced heavy hobbing cutter bar and mounting method - Google Patents

Spliced heavy hobbing cutter bar and mounting method Download PDF

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Publication number
CN113927102B
CN113927102B CN202111292983.7A CN202111292983A CN113927102B CN 113927102 B CN113927102 B CN 113927102B CN 202111292983 A CN202111292983 A CN 202111292983A CN 113927102 B CN113927102 B CN 113927102B
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China
Prior art keywords
hob
heavy
locking
cutter bar
supporting rod
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CN202111292983.7A
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CN113927102A (en
Inventor
何娟娟
张进利
张玉凤
苏琴
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CSSC Nanjing Luzhou Machine Co Ltd
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CSSC Nanjing Luzhou Machine Co Ltd
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Priority to CN202111292983.7A priority Critical patent/CN113927102B/en
Publication of CN113927102A publication Critical patent/CN113927102A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/12Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • B23F23/1237Tool holders
    • B23F23/1243Hob holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F21/00Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12Milling tools
    • B23F21/16Hobs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)

Abstract

The invention relates to a spliced heavy gear hobbing cutter bar and an installation method thereof. The heavy hob is arranged on the hob body through an inner hole, and is connected with the hob body through long keys. The support rod is sleeved at the tail of the cutter rod body and connected with the short key and the locking block. The locking sleeve is sleeved on the outer circle of the supporting rod and props against the heavy hob, the round nut is arranged on the thread at the end part of the supporting rod, and the locking sleeve and the heavy hob are locked through the thread. The eye screw is installed on the bracing piece, plays auxiliary lifting effect. The heavy hob cutter bar is split into two sections, so that the length of the cutter bar body is shortened, and the cutter bar is not easy to deform; the support rod is designed to have a large diameter to increase rigidity and prevent deformation during processing; and the heavy hob is locked by adopting a round nut and a locking sleeve. The cutter bar has high rigidity, is more suitable for heavy cutting machining, and has higher precision retention.

Description

Spliced heavy hobbing cutter bar and mounting method
Technical Field
The invention relates to a spliced heavy gear hobbing cutter bar and an installation method, and belongs to the field of gear machining.
Background
The existing high-efficiency gear hobbing machine is used for protecting the installation space of the hob, the hob is particularly long to manufacture, the rigidity of the hob is poor, and the problem that the hob cannot be detached from the hob after hob cutting often occurs. The existing hobbing cutter bar has the following disadvantages:
firstly, the outer circle of the cutter bar can only be designed to phi 80mm under the limitation of the diameter of an inner hole of a heavy-duty hob, the integral rigidity of the cutter bar is insufficient, the cutting is controlled at a smaller depth, and the overall processing efficiency is low;
secondly, the whole length of the cutter bar is too long, disturbance deformation is generated after heavy cutting, the gap between the inner hole of the heavy hob and the outer circle of the cutter bar is extremely small, and the hob cannot be disassembled due to deformation;
thirdly, the deformation of the cutter bar has serious influence on the machining precision of the gear.
Disclosure of Invention
The invention aims at: aiming at the problems of too long and too poor rigidity of the existing hobbing cutter bar, the spliced heavy-duty hobbing cutter bar and the installation method thereof are provided, the original long cutter bar can be split into a processing section and a supporting section, the processing section is shorter, the higher rigidity is easy to keep, the supporting section is thickened, and the overall rigidity and the cutting deformation resistance are improved. Has the advantages of high integral rigidity and good precision retention.
In order to achieve the aim, the invention provides a spliced heavy hobbing cutter bar and an installation method, the spliced heavy hobbing cutter bar comprises a cutter bar body (1), a heavy hob (9) and a supporting rod (2) which are sequentially connected from front to back, wherein the tail part of the cutter bar body is fixedly connected with the supporting rod after being inserted into the supporting rod, and the heavy hob is installed between the cutter bar body and the supporting rod through a plurality of fasteners and is fixedly connected with the supporting rod through a locking mechanism arranged at the tail end of the heavy hob; and the supporting rod is also provided with a lifting screw (8) for assisting in lifting. The heavy-duty gear hobbing cutter bar is formed by connecting the cutter bar body and the supporting bar, and the cutter bar body with shorter length and the thicker supporting bar enable the gear hobbing cutter bar assembly to have high rigidity, cutting deformation resistance and better precision retention. Meanwhile, the cutter bar body is connected with the support bar through a high-precision outer circle and an inner hole, and is locked in the circumferential direction and the length direction through a short key and a locking block.
The invention further adopts the following technical scheme:
preferably, the locking mechanism comprises a locking sleeve (5) and a round nut (7) sleeved from the tail part of the supporting rod (2), the locking sleeve is in threaded connection with the supporting rod through the round nut and is locked with the heavy hob, and the locking sleeve simultaneously covers a locking block on the supporting rod to prevent the locking block from sliding out.
Preferably, the cutter bar body (1) consists of a standard taper shank (106), a positioning step (101) and an outer circle (105) of the cutter bar body, wherein the standard taper shank (106) is arranged at the forefront end of the cutter bar body, and the cutter bar body is arranged in a cutter rest taper hole of a gear hobbing machine tool through the standard taper shank (106); the positioning step (101) is fixed at the rear of the standard taper shank and is of an integrated structure with the cutter bar body, and the positioning step is arranged to prevent the cutter from moving after being mounted.
The high-precision outer circle (105) is a hollow cylindrical rod body, a first long key groove (102) and a first short key groove (104) are sequentially arranged along the axial direction of the side wall of the rod body, two first locking grooves (103) are symmetrically arranged at the tail end of the high-precision outer circle along the radial direction,
the long key (3) is installed in the first long key groove (102), the short key (6) is installed in the first short key groove (104), and the heavy hob (9) is installed on the high-precision outer circle (105).
A raised circular ring structure is further arranged between the positioning step (101) and the high-precision outer circle (105), a groove is formed in the circular ring structure, and the positioning step and the high-precision outer circle are matched with a key to play a role in positioning and transmission when the lathe rolling tool rest is installed through the groove.
Preferably, the supporting rod (2) comprises a high-precision inner hole (201), a second short key groove (202), two second locking grooves (203), an external thread (204), a lifting screw hole (205) and a supporting excircle (206);
the high-precision inner hole (201) is arranged at the front end of the supporting rod (2), the supporting rod is connected with the tail of the high-precision outer circle (105) on the cutter rod body (1) through the high-precision inner hole to form a cutter rod whole, the second short key groove (202) is axially arranged along the side wall of the high-precision inner hole, and the second locking groove (203)
When the cutter bar body is connected with the support bar, the second short key groove is overlapped with the first short key groove (104) and connected with the short key (6), the second locking groove is overlapped with the first locking groove (103) and connected with the locking block (4),
the short key (6) and the locking block (4) ensure the connection precision and the firmness of the supporting rod (2) and the cutter bar body (1), the lifting ring screw (8) is arranged in the lifting screw hole (205), and the supporting rod (2) is connected with the support seat at the tail part of the cutter frame of the hobbing machine tool through the support excircle (206).
Preferably, the locking block (4) is in a fan-shaped structure, and a disassembling screw hole (401) which is convenient for the disassembling operation of the locking block is formed on the top of the locking block.
Preferably, a hob inner hole (901) and a second long key groove (902) are formed in the heavy hob (9), the heavy hob (9) is connected with the hob body (1) through a long key (3), a locking sleeve (5) and a round nut (7) are used for locking the hob body (1), and the locking sleeve (5) covers the second locking groove (203) and a locking block (4) in the second locking groove, so that the locking block (4) cannot slide out and is firmly connected.
Preferably, a plurality of grooves for locking are distributed on the outer side wall of the round nut (7) at equal intervals, and an inner thread matched with the outer thread (204) is arranged on the inner side wall.
The invention also provides a mounting method of the spliced heavy-duty hobbing cutter bar, which is characterized by comprising the following steps of:
s1, lifting a cutter bar body, and installing the cutter bar body in a cutter bar taper hole of a gear hobbing machine tool through a standard taper shank;
s2, mounting the long key in a first long key groove of the cutter bar body;
s3, lifting the heavy hob, mounting the heavy hob on a high-precision excircle of the hob body through an inner hole of the hob and a long key, and tightly attaching to a positioning step;
s4, loading the short key into a first short key groove of the cutter bar body;
s5, two lifting ring screws are arranged in lifting screw holes on the supporting rod;
s6, lifting the supporting rod through a lifting screw, butting the high-precision inner hole with the high-precision outer circle on the cutter rod body, enabling the short key to penetrate into the second short key groove, and aligning the first locking groove with the second locking groove at the moment;
s7, loading and clamping the locking blocks into the first locking groove and the second locking groove;
s8, sleeving a locking sleeve and a round nut from the tail part of the supporting rod, and locking the locking sleeve and the heavy hob through the round nut and external threads on the supporting rod;
s9, connecting a support seat at the tail part of a cutter rest of the gear hobbing machine tool with a support excircle, and taking down the eye screw, so that the heavy cutter bar and the heavy hob are installed on the gear hobbing machine tool;
s10, S1-S9 are installation methods of the spliced heavy hobbing cutter bar, and the disassembly scheme is completed in reverse order.
The invention has the advantages that the original long cutter bar is divided into the processing section and the supporting section, so that the processing section is shorter, the higher rigidity is easy to keep, the supporting section is thickened, the integral rigidity and the cutting deformation resistance are improved, and the cutter bar assembly has higher integral rigidity and better precision retention.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is an exploded view of a spliced heavy-duty hobbing cutter bar of the present invention.
Fig. 2 is an assembled schematic view of the spliced heavy-duty hobbing cutter bar of the present invention.
Fig. 3 is a schematic view of a cutter bar body according to the present invention.
Fig. 4 is a schematic view of a support rod according to the present invention.
Fig. 5 is a schematic diagram of a long key according to the present invention.
FIG. 6 is a schematic diagram of a locking block according to the present invention.
Fig. 7 is a schematic view of a locking sleeve according to the present invention.
FIG. 8 is a schematic diagram of a short key according to the present invention.
FIG. 9 is a schematic view of a heavy hob according to the present invention.
Fig. 10 is a schematic view of a round nut according to the present invention.
FIG. 11 is a schematic view of the original overall long cutter bar of the present invention.
In the figure: 1. the tool comprises a tool bar body, 101, a positioning step, 102, a first long key groove, 103, a first locking groove, 104, a first short key groove, 105, a high-precision outer circle, 106, a standard taper hole, 2, a support rod, 201, a high-precision inner hole, 202, a second short key groove, 203, a second locking groove, 204, external threads, 205, a lifting screw hole, 206, a support outer circle, 3, a long key, 4, a locking block, 401, a dismounting screw hole, 5, a locking sleeve, 6, a short key, 7, a round nut, 8, a lifting ring screw, 9, a heavy hob, 901, a hob inner hole and 902.
Detailed Description
Example 1
The structure of the spliced heavy gear hobbing cutter bar is shown in fig. 1 and 2, the spliced heavy gear hobbing cutter bar comprises a cutter bar body 1 arranged in a cutter frame taper hole of a gear hobbing machine tool, a supporting rod 2 connected with a cutter frame tail supporting seat of the gear hobbing machine tool, a long key 3 for connecting a heavy hob 9 with the cutter bar body 1, a locking block 4 and a short key 6 for connecting the supporting rod 2 with the cutter bar body 1, a locking sleeve 5 and a round nut 7 for locking the heavy hob 9, and a lifting ring screw 8 for assisting the supporting rod 2 in lifting.
As shown in fig. 3, the cutter bar body 1 is provided with a positioning step 101, a first long key groove 102, two first locking grooves 103, a first short key groove 104, a high-precision outer circle 105 and a standard taper shank 106. The long key 3 is installed in the first long key groove 102 as shown in fig. 5, the short key 6 is installed in the first short key groove 104 as shown in fig. 5, and the heavy hob 9 is installed on the high precision outer circle 105 as shown in fig. 5. The cutter bar body 1 is arranged in a cutter bar taper hole of the gear hobbing machine tool through a standard taper shank 106.
As shown in fig. 4, the support rod 2 includes a high-precision inner hole 201, a second short key groove 202, two second locking grooves 203, an external thread 204, a lifting screw hole 205, and a support outer circle 206. The supporting rod 2 is connected with the tail of the high-precision outer circle 105 on the cutter rod body 1 through the high-precision inner hole 201 to form a long cutter rod, the second short key groove 202 is connected with the short key 6 shown in fig. 8, the locking block 4 is arranged in the second locking groove 203 and connected with the first locking groove 103 shown in fig. 6, the short key 6 and the locking block 4 ensure the connection precision and firmness of the supporting rod 2 and the cutter rod body 1, and the lifting ring screw 8 is arranged in the lifting screw hole 205. The supporting rod 2 is connected with a support seat at the tail part of the cutter rest of the gear hobbing machine tool through a supporting excircle 206.
As shown in fig. 6, the locking block 4 is provided with a disassembling screw hole 401, which facilitates the disassembling operation of the locking block 4.
As shown in fig. 9, the heavy hob 9 is provided with a hob inner hole 901 and a second long key slot 902, the heavy hob 9 is connected with the hob body 1 shown in fig. 3 by adopting the long key 3 shown in fig. 5, and is locked on the hob body 1 by adopting the locking sleeve 5 shown in fig. 7 and the round nut 7 shown in fig. 10, and the locking sleeve 5 covers the second locking groove 203 and the locking block 4 therein, so that the locking block 4 is ensured not to slide out and is firmly connected.
The installation method of the spliced heavy hobbing cutter bar comprises the following steps:
s1, lifting a cutter bar body 1, and installing the cutter bar body in a cutter bar taper hole of a gear hobbing machine tool through a standard taper shank 106;
s2, mounting the long key 3 in the first long key groove 102 of the cutter bar body 1;
s3, lifting the heavy hob 9, mounting the heavy hob on the high-precision outer circle 105 of the hob body 1 through the hob inner hole 901 and the long key 3, and tightly attaching to the positioning step 101;
s4, loading the short key 6 into the first short key groove 104 of the cutter bar body 1;
s5, two lifting ring screws 8 are arranged in lifting screw holes 205 on the support rod 2;
s6, lifting the supporting rod 2 through the eye screw 8, butting the high-precision inner hole 201 with the high-precision outer circle 105 on the cutter bar body 1, enabling the short key 6 to penetrate into the second short key groove 202, and aligning the first locking groove 103 with the second locking groove 203;
s7, two locking blocks 4 are installed and clamped into the first locking groove 103 and the second locking groove 203;
s8, sleeving a locking sleeve 5 and a round nut 7 from the tail part of the support rod 2, and locking the locking sleeve 5 and the heavy hob 9 through the round nut 7 and external threads 204 on the support rod 2;
s9, connecting a support seat at the tail part of a cutter rest of the gear hobbing machine tool with the support excircle 206, and taking down the eye screw 8, so that the heavy cutter bar and the heavy hob are installed on the gear hobbing machine tool;
s10, S1-S9 are installation methods of the spliced heavy hobbing cutter bar, and the disassembly scheme is completed in reverse order.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.

Claims (2)

1. The utility model provides a heavy gear hobbing cutter arbor of concatenation formula which characterized in that: the heavy hob comprises a hob body (1), a heavy hob (9) and a supporting rod (2) which are sequentially connected from front to back, wherein the tail part of the hob body is inserted into the supporting rod and then is fixedly connected with the supporting rod, the heavy hob is arranged between the hob body and the supporting rod through a plurality of fasteners, and the heavy hob is fixedly connected with the supporting rod through a locking mechanism arranged at the tail end of the heavy hob;
the fastener comprises a long key (3), a locking block (4) and a short key (6);
the cutter bar body (1) consists of a standard taper shank (106), a positioning step (101) and a high-precision outer circle (105), wherein the standard taper shank (106) is arranged at the forefront end of the cutter bar body, and the cutter bar body is arranged in a cutter rest taper hole of a gear hobbing machine tool through the standard taper shank (106); the positioning step (101) is fixed at the rear of the standard taper shank and is of an integral structure with the cutter bar body, the high-precision outer circle (105) is a hollow cylindrical rod body, a first long key groove (102) and a first short key groove (104) are sequentially formed in the axial direction of the side wall of the high-precision outer circle, two first locking grooves (103) are symmetrically formed in the radial direction at the tail end of the high-precision outer circle, the long key (3) is installed in the first long key groove (102), the short key (6) is installed in the first short key groove (104), a raised circular ring structure is further arranged between the positioning step (101) and the high-precision outer circle (105), and a groove is formed in the circular ring structure and is matched with a key to play a positioning and transmission role when the cutter head of a machine tool is installed through the groove;
the supporting rod (2) comprises a high-precision inner hole (201), a second short key groove (202), two second locking grooves (203), external threads (204), a lifting screw hole (205), a supporting excircle (206) and a lifting screw (8) for lifting; the high-precision inner hole (201) is arranged at the front end of the supporting rod (2), the supporting rod is connected with the tail of the high-precision outer circle (105) on the cutter rod body (1) through the high-precision inner hole to form a cutter rod whole, the second short key groove (202) is axially arranged along the side wall of the high-precision inner hole, when the cutter rod body is connected with the supporting rod, the second short key groove is overlapped with the first short key groove (104) and connected with the short key (6), the second locking groove is overlapped with the first locking groove (103) and connected with the locking block (4), the locking block (4) is of a fan-shaped structure, and a disassembly screw hole (401) which is convenient for the disassembly operation of the locking block is formed in the top of the locking block; the short key (6) and the locking block (4) ensure the connection precision and the firmness of the supporting rod (2) and the cutter bar body (1), the lifting ring screw (8) is arranged in the lifting screw hole (205), and the supporting rod (2) is connected with the support seat at the tail part of the cutter frame of the hobbing machine tool through the support excircle (206);
the heavy hob (9) is arranged on a high-precision outer circle (105), a hob inner hole (901) and a second long key groove (902) are formed in the heavy hob (9), the heavy hob (9) is connected with the hob body (1) by adopting a long key (3), the heavy hob is locked on the hob body (1) by adopting a locking sleeve (5) and a round nut (7), and the locking sleeve (5) covers the second locking groove (203) and a locking block (4) in the second locking groove, so that the locking block (4) is prevented from slipping out and is firmly connected;
the locking mechanism comprises a locking sleeve (5) sleeved from the tail part of a supporting rod (2) and a round nut (7), the locking sleeve is in threaded connection with the supporting rod through the round nut, the locking sleeve and the heavy hob are locked, a plurality of grooves which play a locking role are distributed on the outer side wall of the round nut (7) at equal intervals, and an inner thread matched with the outer thread (204) is arranged on the inner side wall.
2. A method of installing a split heavy-duty hob according to claim 1, characterized in, that it comprises the steps of:
s1, lifting a cutter bar body (1), and installing the cutter bar body in a cutter bar taper hole of a gear hobbing machine tool through a standard taper shank (106);
s2, mounting the long key (3) in a first long key groove (102) of the cutter bar body (1);
s3, lifting a heavy hob (9), mounting on a high-precision outer circle (105) of the hob body (1) through a hob inner hole (901) and a long key (3), and tightly attaching to a positioning step (101);
s4, loading the short key (6) into a first short key groove (104) of the cutter bar body (1);
s5, two lifting ring screws (8) are arranged in lifting screw holes (205) on the supporting rod (2);
s6, lifting the supporting rod (2) through the lifting screw (8), butting the high-precision inner hole (201) with the high-precision outer circle (105) on the cutter bar body (1), enabling the short key (6) to penetrate into the second short key groove (202), and aligning the first locking groove (103) with the second locking groove (203);
s7, two locking blocks (4) are installed and clamped into the first locking groove (103) and the second locking groove (203);
s8, sleeving a locking sleeve (5) and a round nut (7) from the tail part of the supporting rod (2), and locking the locking sleeve (5) and the heavy hob (9) through the round nut (7) and external threads (204) on the supporting rod (2);
s9, connecting a support seat at the tail part of a cutter rest of the gear hobbing machine tool with a support excircle (206), and taking down a lifting ring screw (8), so that the heavy cutter
The rod and the heavy hob are installed on the gear hobbing machine tool;
s10, S1-S9 are installation methods of the spliced heavy hobbing cutter bar, and the disassembly scheme is completed in reverse order.
CN202111292983.7A 2021-11-03 2021-11-03 Spliced heavy hobbing cutter bar and mounting method Active CN113927102B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111292983.7A CN113927102B (en) 2021-11-03 2021-11-03 Spliced heavy hobbing cutter bar and mounting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111292983.7A CN113927102B (en) 2021-11-03 2021-11-03 Spliced heavy hobbing cutter bar and mounting method

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Publication Number Publication Date
CN113927102A CN113927102A (en) 2022-01-14
CN113927102B true CN113927102B (en) 2023-11-10

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003181721A (en) * 2001-12-19 2003-07-02 Nachi Fujikoshi Corp Hob arbor for precision machining and gear machining method
CN201561747U (en) * 2009-07-24 2010-08-25 浙江午马减速机有限公司 Special fixture for measuring hobbing cutter of three-coordinate measuring system
CN102059408A (en) * 2010-12-21 2011-05-18 齐重数控装备股份有限公司 Main shaft device for numerical controlled gear hobbing machine
CN203636127U (en) * 2014-01-02 2014-06-11 重庆机床(集团)有限责任公司 Motorized spindle direct-driven hob rest
CN104070245A (en) * 2014-06-30 2014-10-01 浙江日创机电科技有限公司 Direct-drive type numerical control hobbing cutter frame
CN204035716U (en) * 2014-07-04 2014-12-24 中国南方航空工业(集团)有限公司 Hobcutter fixture and gear hobbing lathe
CN204366199U (en) * 2014-12-29 2015-06-03 威海华东重工有限公司 A kind of heavy accurate digital control gear-hobbing machine hob head
CN206169412U (en) * 2016-11-04 2017-05-17 大连平安恒润机床制造有限公司 High accuracy hobbing cutter dabber calibration knife rest
CN206464637U (en) * 2017-02-20 2017-09-05 重庆机床(集团)有限责任公司 A kind of thread hob knife rest for processing herringbone bear
CN108247148A (en) * 2018-02-06 2018-07-06 唐守林 A kind of complex machining device
CN210548606U (en) * 2019-08-01 2020-05-19 绍兴得顺机械有限公司 Hobbing cutter main shaft of gear hobbing machine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003181721A (en) * 2001-12-19 2003-07-02 Nachi Fujikoshi Corp Hob arbor for precision machining and gear machining method
CN201561747U (en) * 2009-07-24 2010-08-25 浙江午马减速机有限公司 Special fixture for measuring hobbing cutter of three-coordinate measuring system
CN102059408A (en) * 2010-12-21 2011-05-18 齐重数控装备股份有限公司 Main shaft device for numerical controlled gear hobbing machine
CN203636127U (en) * 2014-01-02 2014-06-11 重庆机床(集团)有限责任公司 Motorized spindle direct-driven hob rest
CN104070245A (en) * 2014-06-30 2014-10-01 浙江日创机电科技有限公司 Direct-drive type numerical control hobbing cutter frame
CN204035716U (en) * 2014-07-04 2014-12-24 中国南方航空工业(集团)有限公司 Hobcutter fixture and gear hobbing lathe
CN204366199U (en) * 2014-12-29 2015-06-03 威海华东重工有限公司 A kind of heavy accurate digital control gear-hobbing machine hob head
CN206169412U (en) * 2016-11-04 2017-05-17 大连平安恒润机床制造有限公司 High accuracy hobbing cutter dabber calibration knife rest
CN206464637U (en) * 2017-02-20 2017-09-05 重庆机床(集团)有限责任公司 A kind of thread hob knife rest for processing herringbone bear
CN108247148A (en) * 2018-02-06 2018-07-06 唐守林 A kind of complex machining device
CN210548606U (en) * 2019-08-01 2020-05-19 绍兴得顺机械有限公司 Hobbing cutter main shaft of gear hobbing machine

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