Milling machine (ACRA AM4V) ID:48

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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

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]
Jacobs style drill chuck

Work Holding

Kurt Milling Vice (D688? has the same jaw face)
Gizzly dividing head (size BS-0) here is a PDF also has a 3 jaw chuck.
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.