Milling machine (ACRA AM4V) ID:48: Difference between revisions

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m (More details about the Spingle taper to reduce confusion and wasted time googling.)
 
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:Quill Travel: 5" (power feed available)
:Quill Travel: 5" (power feed available)
;Spindle
;Spindle
:NMTB40
:NMTB40 (sometimes referred to as NT40. It's like a CAT40 but has a cylindrical extension on the top, and shorter drawbar length than a CAT40.)
;DRO
;DRO



Latest revision as of 23:09, 20 November 2023

← Back to tools we have

48.jpg
Type Milling machine
Make/Model ACRA AM4V
Serial number ??
Original owner Protospace
Loan status Owned by Protospace
Arrival date 2015-12-22
Location Metal shop
Functional status Running
Usage permissions Open to full members
Certification Certification Required: lathe and mill training
Wiki-ID 48
Label 1.0" 1.5" 2.0"

Specifications

Table/Travel
Table Size: 10" x 54"
Longitudinal Travel (X axis): 39 1/2" (power feed available)
Cross Travel (Y axis): 16"
Vertical Knee Travel (Z axis): 16"
Over Ram Travel: 18"
T-Slot Size: 3, 5/8"
Quill Travel: 5" (power feed available)
Spindle
NMTB40 (sometimes referred to as NT40. It's like a CAT40 but has a cylindrical extension on the top, and shorter drawbar length than a CAT40.)
DRO
  • 2-Axis DRO (Anilam Wizard 450) on X and Y
  • Separate DRO for Z-quill (not knee)

Accessories

Tool Holders
  1. ER40 collet tool holder
    Collets available: 1/8" to 1" collets available (1/16" increments??)
    Typically ER40 collets can collapse to hold less than or equal to 1mm (0.026")smaller than stated size [should be confirmed]
  2. Jacobs style drill chuck
Work Holding
  1. Kurt Milling Vice (D688? has the same jaw face)
  2. Gizzly dividing head (size BS-0) here is a PDF also has a 3 jaw chuck.
  3. Rotary Table
Milling Cutters
  • Various available, however whenever possible user should bring their own

Documents

Acra Mill Info
Features: http://www.acramachinery.com/Manual_Machines/AM4.htm
Specs: http://www.acramachinery.com/Manual_Machines/AM4specs.htm
DRO (Digital Read Out) - ANILAM Wizard 450
This tool has a Digital Readout. See the user manual for detailed instructions on how to use the advanced features.
Link to DRO User Manual: http://www.acu-rite.com/pdf/anilam/ANILAM_Wizard_DRO_Support/Wiz450DRO_4.pdf

History

This mill was bought by Protospace using funding approved for the purchase of new machine tools at the December 2015 members' meeting. It was picked up and brought to Protospace on 2015-12-22 along with the Challenger lathe and the new 80-gallon air compressor.