Difference between revisions of "Powermatic Millrite MVM"

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Revision as of 17:51, 8 November 2019

Metalworking Shop


Hive13 Equipment
List of All Documented Equipment
Consumables
Owner/Loaner: User:Jim
Make/Model: Powermatic Millrite MVM (google)
Arrival Date: 11/2019
Does it work?: Yes
Certification Needed?: Yes
Contact: CNC Warden
Floorplan: 2D
Manual: Manual
Powermatic_Millrite_MVM.png



Overview

This is JimD's personal machine, consigned to the Hive for gentle use by considerate members. It has been in Jim's home shop for over 30 years.

It has a travel of 185mm forward and back, 430mm left to right, and 130mm on the spindle. (7.25" x 16.875" x 5.125")

The collet taper is R8.

User Certification

We do Mill and Lathe certification on an as needed basis. Email the warden to request certification. Only the following people are permitted to certify you on the mill:

  • JimD (Project Leader - mill owner)
  • Brad
  • Dave Velzy CNC Warden

Certification Goals – Don’t hurt yourself. Don’t hurt the machine.

  • Mill safety and setup
  • Tool selection for milling operations
  • Holding parts using the machinist vice and parallels
  • Change tools and set spindle speeds
  • “Zero” the X, Y and Z axis using the DRO
  • Perform basic facing cuts on steel
  • Mount and secure work using parallels and hold downs
  • Demonstrate understanding of Backlash

In preparation for certification please; Read the manufacturers manual and study the excellent materials from Case Western

http://engineering.case.edu/sears-thinkbox/use/mills

Take the milling quiz.

https://www.proprofs.com/quiz-school/story.php?title=mill-quiz When you have a score of 100% print out the certificate and contact the CNC warden for your certification check ride.

Current Status

A defect was identified with the Pinion Assembly (enco part number 6116-6S) via borescope on 2/22/2015. Ian and Ryan identified the busticated part.

Endmills

The endmills are the cutting tools for the milling machine. Wikipedia has a page for these as well.

Hive owns a variety of high speed steel end mills which were purchased used on eBay. They are under the mill labeled 'Good enough'

If you damage one, report it to broken (at) hive13 dot org

WTB (Want to Buy)

  • Toolbox // Tool Chest to hold machining parts
  • Rotary Table (8"+), one that can be used vertically & horizontally ($100 - $300+)
  • Boring head + Boring bar set
    • Boring head ~$75
    • Boring bar set ~($20 - $60)

Priority Purchase List

  • Way Oil (Vactra #2)-- [1]
  • 1"x2" 6061 Aluminum (Soft Jaw material) [2]

Sites to buy from for cheap

Gallery

Milled Items

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Mill

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iGaging scale on Z axis of mill

Resources

Manuals & Guides

Books

Supplies & Parts

General Information