JB/T 2254.3-2014
Jig boring machines.Part 3: Dimension of main shaft end of 3:20 taper hole (English Version)
- Standard No.
- JB/T 2254.3-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 2254.3-2014
- Replace
- JB/T 3753-1999
- Scope
- This part of JB/T 2254 specifies the type and size of the spindle end and tool taper shank connected with a 3:20 taper for coordinate boring machines. This section applies to coordinate boring machines with 3:20 conical connection at the end of the spindle.
JB/T 2254.3-2014 history
- 2014 JB/T 2254.3-2014 Jig boring machines.Part 3: Dimension of main shaft end of 3:20 taper hole
- 1999 JB/T 3753-1999 Jib boring machine Dimensions of main shaft end for 3:20 taper hole
JB/T 2254.3-2014 Jig boring machines.Part 3: Dimension of main shaft end of 3:20 taper hole has been changed from JB/T 3753-1999 Jib boring machine Dimensions of main shaft end for 3:20 taper hole.
