JPWO2020035230A5 - Thread milling tool - Google Patents

Thread milling tool Download PDF

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Publication number
JPWO2020035230A5
JPWO2020035230A5 JP2021505702A JP2021505702A JPWO2020035230A5 JP WO2020035230 A5 JPWO2020035230 A5 JP WO2020035230A5 JP 2021505702 A JP2021505702 A JP 2021505702A JP 2021505702 A JP2021505702 A JP 2021505702A JP WO2020035230 A5 JPWO2020035230 A5 JP WO2020035230A5
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Japan
Prior art keywords
cutting insert
cutting
accommodating portion
thread
tool
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Pending
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JP2021505702A
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JP2021531991A (en
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Priority claimed from DE102018119928.7A external-priority patent/DE102018119928A1/en
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Publication of JP2021531991A publication Critical patent/JP2021531991A/en
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Claims (12)

ねじを加工するためのねじ切り工具（Thread milling tool；１０）であって、
中心軸（１４）に沿って延びる超硬合金製の工具ホルダ（１２）と、
ＣＶＤ厚膜ダイヤモンド製の第１切削インサート（２０ａ）と、を備え、
前記工具ホルダ（１２）は、対向する２つの側方隣接面（２４，２８）と当該２つの側方隣接面（２４，２８）の間に位置してそれらに対して横方向に延びる底隣接面（３２）とを含むスロット形状の第１切削インサート収容部（１８ａ）を有し、前記底隣接面（３２）はスロット形状の前記第１切削インサート収容部の底部を形成しており、
前記第１切削インサート（２０ａ）は、第１切削インサート収容部（１８ａ）に強固な接合によって固定されており、前記第１切削インサート（２０ａ）は、互いに反対側に位置する２つの側方面（２２，２６）と当該２つの側方面（２２，２６）の間に位置してそれらに対して横方向に延びる下方面（３０）とを含むベース本体（２１）を有し、前記２つの側方面（２２，２６）は前記第１切削インサート収容部（１８ａ）の側方隣接面（２４，２８）に対向するかまたは強固な接合によって結合しており、前記下方面（３０）は前記第１切削インサート収容部（１８ａ）の底隣接面（３２）に対向するか強固な接合によって結合しており、前記第１切削インサート（２０ａ）は、外側に突出する少なくとも１つの切削歯（２３）を有し、前記切削歯（２３）は前記第１切削インサート収容部（１８ａ）を越えて前記ベース本体（２１）から外側に突出するとともに、ねじの互いに反対側に位置する２つの側面を加工する２つの主切刃（３６，３８）を含み、
前記第１切削インサート収容部（１８ａ）の２つの側方隣接面（２４、２８）の間の距離が、前記第１切削インサート（２０ａ）の２つの側方面（２２、２６）の間の距離よりも大きい、ねじ切り工具(１０)。 A thread milling tool ( 10) for machining screws.
A cemented carbide tool holder (12) extending along the central axis (14),
With a first cutting insert (20a) made of CVD thick diamond,
The tool holder (12) is located between two opposing laterally adjacent surfaces (24,28) and the two laterally adjacent surfaces (24,28) and is laterally adjacent to the bottom. It has a slot-shaped first cutting insert accommodating portion (18a) including a surface (32), and the bottom adjacent surface (32) forms the bottom portion of the slot-shaped first cutting insert accommodating portion.
The first cutting insert (20a) is fixed to the first cutting insert accommodating portion (18a) by a strong joint, and the first cutting insert (20a) has two lateral surfaces (20a) located opposite to each other. 22, 26) and the two sides having a base body (21) including a lower surface (30) located between the two sides (22, 26) and extending laterally with respect to them. The direction (22, 26) faces the side adjacent surface (24, 28) of the first cutting insert accommodating portion (18a) or is bonded by a strong joint, and the lower surface (30) is the first. The first cutting insert (20a) is bonded to the bottom adjacent surface (32) of the cutting insert accommodating portion (18a) by a strong joint or at least one cutting tooth (23) protruding outward. The cutting tooth (23) protrudes outward from the base body (21) beyond the first cutting insert accommodating portion (18a) and is machined on two side surfaces located on opposite sides of the screw. Includes two main cutting blades (36, 38)
The distance between the two laterally adjacent surfaces (24, 28) of the first cutting insert accommodating portion (18a) is the distance between the two lateral surfaces (22, 26) of the first cutting insert (20a). Larger, thread cutting tool (10). ねじを加工するためのねじ切り工具（Thread milling tool；１０）であって、
中心軸（１４）に沿って延びる超硬合金製の工具ホルダ（１２）と、
ＣＶＤ厚膜ダイヤモンド製の第１切削インサート（２０ａ）と、を備え、
前記工具ホルダ（１２）は、対向する２つの側方隣接面（２４，２８）と当該２つの側方隣接面（２４，２８）の間に位置してそれらに対して横方向に延びる底隣接面（３２）とを含むスロット形状の第１切削インサート収容部（１８ａ）を有し、前記底隣接面（３２）はスロット形状の前記第１切削インサート収容部の底部を形成しており、
前記第１切削インサート（２０ａ）は、第１切削インサート収容部（１８ａ）に強固な接合によって固定されており、前記第１切削インサート（２０ａ）は、互いに反対側に位置する２つの側方面（２２，２６）と当該２つの側方面（２２，２６）の間に位置してそれらに対して横方向に延びる下方面（３０）とを含むベース本体（２１）を有し、前記２つの側方面（２２，２６）は前記第１切削インサート収容部（１８ａ）の側方隣接面（２４，２８）にはんだ付けされており、前記下方面（３０）は前記第１切削インサート収容部（１８ａ）の底隣接面（３２）にはんだ付けされており、前記第１切削インサート（２０ａ）は、外側に突出する少なくとも１つの切削歯（２３）を有し、前記切削歯（２３）は前記第１切削インサート収容部（１８ａ）を越えて前記ベース本体（２１）から外側に突出するとともに、ねじの互いに反対側に位置する２つの側面を加工する２つの主切刃（３６，３８）を含む、ねじ切り工具(１０)。 A thread milling tool ( 10) for machining screws.
A cemented carbide tool holder (12) extending along the central axis (14),
With a first cutting insert (20a) made of CVD thick diamond,
The tool holder (12) is located between two opposing laterally adjacent surfaces (24,28) and the two laterally adjacent surfaces (24,28) and is laterally adjacent to the bottom. It has a slot-shaped first cutting insert accommodating portion (18a) including a surface (32), and the bottom adjacent surface (32) forms the bottom portion of the slot-shaped first cutting insert accommodating portion.
The first cutting insert (20a) is fixed to the first cutting insert accommodating portion (18a) by a strong joint, and the first cutting insert (20a) has two lateral surfaces (20a) located opposite to each other. 22, 26) and the two sides having a base body (21) including a lower surface (30) located between the two sides (22, 26) and extending laterally with respect to them. The direction (22, 26) is soldered to the side adjacent surface (24, 28) of the first cutting insert accommodating portion (18a), and the lower surface (30) is the first cutting insert accommodating portion (18a). ) Is soldered to the bottom adjacent surface (32), the first cutting insert (20a) has at least one cutting tooth (23) protruding outward, and the cutting tooth (23) has the first cutting tooth (23). 1 Includes two main cutting blades (36, 38) that project outward from the base body (21) beyond the cutting insert housing (18a) and machine two sides of the screw that are located opposite each other. , Thread cutting tool (10). 前記２つの主切刃（３６，３８）は同じ形状及び大きさを有する、請求項1又は２に記載のねじ切り工具。 The thread cutting tool according to claim 1 or 2, wherein the two main cutting blades (36, 38) have the same shape and size . 前記2つの主切刃（３６，３８）は互いに鋭角(γ)をなすように配向されている、請求項1ないし３のうちいずれか一の項に記載のねじ切り工具。 The thread cutting tool according to any one of claims 1 to 3, wherein the two main cutting blades (36, 38) are oriented so as to form an acute angle (γ) with each other. 前記2つの主切刃（３６，３８）は半径部（４０）を介して互いに接続されている、請求項1ないし４のうちいずれか一の項に記載のねじ切り工具。 The thread cutting tool according to any one of claims 1 to 4, wherein the two main cutting blades (36, 38) are connected to each other via a radius portion (40). 前記第１切削インサート（２０ａ）の互いに反対側に位置する２つの側方面（２２、２６）が、前記第１切削インサート収容部（１８ａ）の２つの側方隣接面（２４、２８）にはんだ付けされており、前記第１切削インサート（２０ａ）の下面（３０）が、前記第１切削インサート収容部（１８ａ）の底隣接面（３２）にはんだ付けされている、請求項１に記載のねじ切り工具。 Two side surfaces (22, 26) located on opposite sides of the first cutting insert (20a) are soldered to two side adjacent surfaces (24, 28) of the first cutting insert accommodating portion (18a). The first aspect of claim 1, wherein the lower surface (30) of the first cutting insert (20a) is soldered to the bottom adjacent surface (32) of the first cutting insert accommodating portion (18a). Soldering tool. ２つの側方隣接面（２４、２８）が互いに平行となるように配向されている、請求項１ないし６のうちいずれか一の項に記載のねじ切り工具。 The thread cutting tool according to any one of claims 1 to 6, wherein the two laterally adjacent surfaces (24, 28) are oriented so as to be parallel to each other. 前記第１切削インサート収容部（１８ａ）の２つの側方隣接面（２４、２８）の間の距離が、前記第１切削インサート（２０ａ）の２つの側方面（２２、２６）の間の距離よりも大きい、請求項２に記載のねじ切り工具。 The distance between the two laterally adjacent surfaces (24, 28) of the first cutting insert accommodating portion (18a) is the distance between the two lateral surfaces (22, 26) of the first cutting insert (20a). The thread cutting tool according to claim 2, which is larger than the above. 前記第１切削インサート収容部（１８ａ）の２つの側方隣接面（２４、２８）が、半径方向（３４）に対して平行に、または半径方向（３４）に対して５°より小さい角度（α）をなすように配向されており、前記半径方向は工具ホルダ（１２）の中心軸（１４）に直交している、請求項１ないし８のうちいずれか一の項に記載のねじ切り工具。 The two laterally adjacent surfaces (24, 28 ) of the first cutting insert accommodating portion (18a) are parallel to the radial direction (34) or at an angle smaller than 5 ° with respect to the radial direction (34). The thread cutting tool according to any one of claims 1 to 8, which is oriented so as to form α) and whose radial direction is orthogonal to the central axis (14) of the tool holder (12). 前記第１切削インサート収容部（１８ａ）の２つの側方隣接面（２４、２８）が、前記工具ホルダ（１２）の中心軸（１４）に対して平行となるように配向されている、請求項１ないし９のうちいずれか一の項に記載のねじ切り工具。 Claimed that the two laterally adjacent surfaces (24, 28) of the first cutting insert accommodating portion (18a) are oriented so as to be parallel to the central axis (14) of the tool holder (12). The thread cutting tool according to any one of Items 1 to 9. 前記第１切削インサート（２０ａ）が前記工具ホルダ（１２）の前端を越えて突出している、請求項１ないし１０のうちいずれか一の項に記載のねじ切り工具。 The thread cutting tool according to any one of claims 1 to 10, wherein the first cutting insert (20a) protrudes beyond the front end of the tool holder (12). 前記工具ホルダ（１２）は、前記第１切削インサート収容部（１８ａ）と同じ形状および大きさであって、当該工具ホルダ（１２）の外周に分散して配置された複数のスロット形状の切削インサート収容部（１８ｂ～１８ｅ）を有しており、
当該ねじ切り工具（１０）は複数の切削インサート（２０ｂ～２０ｅ）を有しており、前記複数の切削インサート（２０ｂ～２０ｅ）は、前記第１切削インサート（２０ａ）と同じ形状及び大きさであって、前記第１切削インサート（２０ａ）が第１切削インサート収容部（１８ａ）に固定されている手法と同じ手法で前記複数のスロット形状の切削インサート収容部（１８ｂ～１８ｅ）のうち対応するものに固定されている、請求項１ないし１１のうちいずれか一の項に記載のねじ切り工具。
The tool holder (12) has the same shape and size as the first cutting insert accommodating portion (18a), and has a plurality of slot-shaped cutting inserts dispersedly arranged on the outer periphery of the tool holder (12). It has a storage section (18b-18e) and has a housing section (18b-18e).
The thread cutting tool (10) has a plurality of cutting inserts (20b to 20e), and the plurality of cutting inserts (20b to 20e) have the same shape and size as the first cutting insert (20a). The corresponding one of the plurality of slot-shaped cutting insert accommodating portions (18b to 18e) in the same manner as the method in which the first cutting insert (20a) is fixed to the first cutting insert accommodating portion (18a). The thread cutting tool according to any one of claims 1 to 11, which is fixed to.
JP2021505702A 2018-08-16 2019-07-11 Thread cutting tool Pending JP2021531991A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018119928.7 2018-08-16
DE102018119928.7A DE102018119928A1 (en) 2018-08-16 2018-08-16 thread milling
PCT/EP2019/068643 WO2020035230A1 (en) 2018-08-16 2019-07-11 Thread milling tool

Publications (2)

Publication Number Publication Date
JP2021531991A JP2021531991A (en) 2021-11-25
JPWO2020035230A5 true JPWO2020035230A5 (en) 2022-07-11

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JP2021505702A Pending JP2021531991A (en) 2018-08-16 2019-07-11 Thread cutting tool

Country Status (8)

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US (1) US20210146450A1 (en)
EP (1) EP3797011A1 (en)
JP (1) JP2021531991A (en)
CN (1) CN112512738A (en)
DE (1) DE102018119928A1 (en)
MX (1) MX2021001634A (en)
RU (1) RU2768927C1 (en)
WO (1) WO2020035230A1 (en)

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