Precision Machine Spindle Rebuilding - Part 1 Introduction
How to rebuild a precision machine spindle covering the processes, procedures in detail (even what spindle bearings are) and how to select spindle bearings. Then the tools, materials, supplies and rebuild environment and measuring instruments you will need to rebuild machine spindle
We will introduce you to spindle rebuilding, what it entails too properly rebuild a machine spindle and when it becomes necessary to rebuild a machine spindle.
Part One is a detail overview covering which tools, materials, and supplies are involved to correctly rebuild a precision machine spindle.
We will share the importance of high quality spindle bearings, explain what Angler Contact Bearings and Deep Groove Bearings are, and even why they are recommended and so important when utilized in machine spindles.
Complete step by step introduction to Precision Machine Spindle Rebuilding. This is a spindle rebuilding introduction for nearly every precision machine spindle type.
TOPICS COVERED - PART 1
00:00:00 - START
00:00:19 - 1. INTRODUCTION
a) This Video is focused on Rebuilding Levin spindles
While this video series is focused on the US Made Levin & Son Lathe’s and Levin Lathe Accessories, this series is very important and applicable to many machine spindle manufacturers.
Within this 9 Part Series we will share in top quality instruction, both the Levin Open Head Stock and Levin Closed Head Stock spindle rebuilds in both 10mm and 3C spindle sizes, the Accessories Spindles for Micro Drilling, Precision Grinding and Milling applications.
b) Website Page devoted to this video.
http://www.activeatom.com/education-i...
For each Educational Video in this Precision Spindle Rebuilding Series there will be webpage on our website devoted to that video and will share resources, links to products and documentation that was discussed in each video.
NOTE:
Download the documents to help during the spindle rebuilding and eliminate the need to make notes stop the videos and playing them back and forth.
http://www.activeatom.com/education-i...
This is a living document then a stagnant document, meaning if something comes to light, via us at Active Atom or through the community via comments like additional processes and procedures, easier tools or tooling tips and techniques even hardware and parts to make the rebuilding work better, be more reliable and such, they will be updated in this document, that is what making this a living document keeps it able to offer you the best informative information available.
00:09:24 - 2. REBUILDING SPINDLES IS NOT FOR THE INEXPERIENCED
a) The Inexperienced.
b) Even for the Experienced Machinist, you still need the proper tools
00:12:56 - 3. WE DO NOT PROVIDE SPINDLE REBUILDING SERVICE OR OFFER SUPPORT
a) We do not provide this service
b) We do not offer support
00:15:35 - 4. HOW WE GAINED OUR KNOWLEDGE TO DO THIS?
a) Our Mentor got us started
b) Talking to others with experience
c) Improve skills by doing
00:21:17 - 5. WHEN DOES A LEVIN SPINDLE NEED TO BE REBUILT?
a) Count on a used Levin lathe to need a spindle rebuild
b) Spindle has been sitting idle for many years
c) What is the symptom of needing a rebuild?
00:27:57 - 6. WHAT IS THE ACCURACY OF A REBUILD SPINDLE?
00:31:35 - 7. WHAT ARE ANGULAR CONTACT BEARINGS?
00:36:39 - 8. WHAT TYPE OF ANGULAR CONTACT BEARINGS DO I NEED TO PURCHASE?
a) Contact Angle
b) Bearing Arrangement
c) Duplex Pairs
d) Tolerance Class
e) Preload
f) Phenolic Bearing Cage
g) Do not purchase Cheap Bearings
01:07:28 - 9. ANY ADDITIONAL BEARINGS REQUIREMENTS?
a) Precision Deep Groove Bearing
01:17:27 - 10. LEVIN SPINDLE REPLACEMENT PARTS
a) Felt Seals
b) Collet Key
01:35:37 - 11. TOOLS REQUIRED
a) Quality Imperial Allen Wrench Set
b) Small flat-head screwdriver
c) Spanner Wrenches
d) Bearing Separator
e) Hydraulic Press or Dead Blow Hammer
f) Bearing Installation Tool
g) Surface Temperature Meter
01:51:53 - 12. SURFACE PLATE & MEASURING INSTRUMENTS
a) Surface Plate
b) Test Indicator
c) V-Blocks
d) Height Gauge
e) Magnetic Test Indicator Stand
01:57:07 - 13. SUPPLIES REQUIRED
a) Acetone
b) Machine Oil
c) Bearing Grease
d) Grinding Bits
02:07:04 - 14. LOCATION TO PERFORM THE SPINDLE REBUILD PROCEDURE
02:10:52 - 15. FINAL THOUGHTS