Каталог Sumitomo резьбонарезной инструмент - страница 5
Навигация
Каталог Sumitomo фрезы со сменными пластинами
Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron
Каталог Sumitomo инструмент для обработки канавок
Общий каталог Sumitomo 2018 - 2019
Каталог Sumitomo твердосплавные заготовки
Каталог Sumitomo модульные системы для револьверных головок токарных станков - F001
- F002
- F003
- F004
- F005
- F006
- F007
- F008
- F009
- F010
- F011
- F012
- F013
- F014
- F015
- F016
- F017
- F018
- F019
- F020
- F021
- F022
- F023
- F024
- F025
- F026
- F027
- F028
- F029
- F030
- F031
- F032
- F033
- F034
- F035
- F036
- F037
- F038
- F039
- F040
- F041
- F042
- F043
- F044
- F045
- F046
- F047
- F048
- F049
- F050
- F051
- F052
- F053
- F054
- F055
- F056
- F057
- F058
- F059
- F060
- F061
- F062
- F063
- F064
- F065
- F066
- F067
- F068
- F069
- F070
- F071
- F072
- F073
- F074
- F075
- F076
- F077
- F078
- F079
- F080
- F081
- F082
- F083
- F084
- F085
- F086
Basics of Threads
- Parts of the Thread
Thread angle Thread Thread root Helix
Lead angle (R)
Length of one revolution Pitch (P) Effective diameter (d)
External thread Internal thread Lead angle
| Effective （d）: Thread groove width that has a virtually comparable cylinder diameter to the thread width | ● How to calculate a lead angle | R : Lead angle | |||
| diameter | |||||
| Pitch | （P）: Adjoining thread distance | I : Lead | |||
| （ | ） | I | n×P | n : Number of threads | |
| Lead | I : Thread movement amount after one revolution | R | |||
| = tan X× | = X× | ||||
| d | d P : Pitch |
(1 section threads are comparable with the pitch) （α） d : Effective thread diameter Lead angle : A corner that forms a right angled flat surface between the thread helix and thread axis
- Basic Profile of Major Thread Forms
| Symbol Application Basic profile | Application Symbol | Basic profile | Application Symbol | Application Basic profile Symbol | Basic profile |
| Internal thread | F | ||||
| Internal thread | Internal thread | Internal thread | Internal thread R0.137P UN | Internal thread | |
| Rc(PT) | |||||
| 1/4P | G(PF) | R0.137P | 1/4P | ||
| 27.5° 27.5° | |||||
| 55° | |||||
| 60° | (BSPT) | UNC | 60° | ||
| M | Rp(PS) | ||||
| External thread | UNF | ||||
| External thread | R(PT) |
R0.137P ′ R0.137P
90° 1°47 UNEF
| 1/8P | G(PF) | External thread | (BSPT) | External thread | 1/8P | |||
| External thread | External thread | |||||||
| Grooving | ||||||||
| Internal thread | Internal thread | Internal thread | Internal thread |
| R0.137P | 5/16P | 30° | 30° | 30° | 30° | ||||
| W | Cut-Off | ||||||||
| 55° | |||||||||
| 60° |
BSW UNJ NPT NPTF Threading
| BSP | ′ | ′ | |
| R0.137P | 1°47 | 1°47 |
R 90° 90°
External thread External thread External thread
External thread
- Holder and Insert Selection Guide (SSTE Type/SSTI Type)
External diameter (Spindle forward rotation) Internal diameter (Spindle forward rotation) External diameter (Spindle reverse rotation)
| External holder | Internal holder | External holder | |||
| (SSTE type) | (SSTI type) | (SSTE type) | |||
| Inserts for external machining | Inserts for internal machining | Inserts for external machining | |||
| (16ER type) | (16IR type) | (16ER type) |
Shim Shim Shim
| ( )YE3-3P/YE3-2P | ( )YI3-3P/YI3-2P | ( )YE3-3P/YE3-2P |
| YE3-1P/YE3/YE3-1N | YI3-1P/YI3/YI3-1N | YE3-1P/YE3/YE3-1N |
| External holder | Internal holder | External holder |
| (SSTE type) | (SSTI type) | (SSTE type) |
| Inserts for external machining | Inserts for internal machining | Inserts for external machining |
| (16ER type) | (16IR type) | (16ER type) |
Shim Shim Shim
( )YE3-2N/YE3-3N ( )YI3-2N/YI3-3N ( )YE3-2N/YE3-3N
- Threading Method and Angle of Insert
Right threading Left threading
≒ Shim angle
Insert Lead angle Insert
（E ） ≒ Negative lead angle Shim angle （E） Shim Shim Standard tilting angle of holder Standard tilting angle of holder
（1.5°） （1.5°）