MT/T 785-1998 Diamond composite core drill bit
time:
2024-08-08 09:18:07
- MT/T 785-1998
- in force
Standard ID:
MT/T 785-1998
Standard Name:
Diamond composite core drill bit
Chinese Name:
金刚石复合片取心钻头
Standard category:
Coal Industry Standard (MT)
-
Date of Release:
1998-11-10 -
Date of Implementation:
1999-04-01
Standard ICS number:
Mining and mineral products>>Mining equipment>>73.100.99 Other mining equipmentChina Standard Classification Number:
Mining>>Geological Exploration Equipment>>D81 Geological Exploration Equipment
Drafter:
Tang Shengli, Mou Panhua, Lu WenjinDrafting Organization:
Xi'an Branch of China Coal Research InstituteFocal point Organization:
Coal Industry Coal Mine Special Equipment Standardization Technical CommitteeProposing Organization:
Industry Management Department of State Administration of Coal Industry
Description (Translated English) / downloadSkip to download
Summary:
This standard specifies the types and parameters, technical requirements, test methods, inspection rules, marking and packaging of diamond composite core drill bits (PDC). This standard applies to diamond composite core drill bits (hereinafter referred to as drill bits) for rotary drilling of holes in coalfield geology, underground gas extraction, water injection and drainage in coal mines. MT/T 785-1998 Diamond composite core drill bits MT/T785-1998 Standard download decompression password: www.bzxz.net
- Recommended standards
- JB/T 8491.3-1996 Technical conditions for heat treatment of machine tool parts - Induction hardening and tempering
- QB/T 1493-1992 Determination and calculation method of thermal balance and thermal efficiency of flame tunnel kiln for daily ceramics
- GB 16916.21-1997 Residual current operated circuit breakers (RCCB) for household and similar purposes without overcurrent protection Part 2.1: Applicability of general rules to RCCBs whose operating function is independent of line voltage
- JB/T 9209-1999 Technical requirements for chemical heat treatment penetrants
- GB 18458.2-2003 Special infusion sets Part 2: Disposable burette infusion sets
- JB/T 7954-1999 Insert tooth sleeve face milling cutter
- JB/T 8680.2-1998 Technical requirements for three-phase asynchronous motors Part 2: Y2-E series (IP54) three-phase asynchronous motors (frame size 80~280)
- QB/T 1621-1992 Pin-tumbler furniture locks
- JB/T 8771.1-1998 Inspection conditions for machining centres Part 1: Geometric accuracy inspection of horizontal and additional spindle head machines (horizontal Z axis)
- GB 4660-1994 Photometric performance of front fog lamps for vehicles
- GB 17691-2001 Emission limits and measurement methods for exhaust pollutants from compression ignition engines for vehicles
- GB 3804-1990 3~63kv AC high voltage load switch generation
- CB/T 3152-1992 Technical requirements for automatic control devices of ship power stations
- JB/T 2001.67-1999 Types and dimensions of water tank brackets for water system pump stations
- GB/T 27060-2006 conformity assessment - Code of good practice
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail：bzxznet@163.com