My Surface Grinder - 2

References and Tutorials for Surface Grinders - All Makes

Note: This web page is for information on surface grinders generally. For information specific to Sanford MG and Harvey LG surface grinders see this page:

• https://sites.google.com/site/lagadoacademy/machining---lathes-mills-etc/my-surface-grinder

Books

• Advanced Grinding Practice : [1915] Douglas T. Hamilton and Franklin D. Jones, 344 pages. Covers various types of grinding, including surface grinding; there is also a chapter on work holding.
• Machine tool reconditioning and applications of hand scraping : [1955] Edward F. Connelly, 533 pages.

References

• Grinding Wheels
  • Abrasives and Grinding Wheels : [PDF] Book from Norton Abrasives (1954)
• Magnetic Chuck
  • How To Grind A Magnetic Chuck On A Surface Grinder : Thorough step by step instructions for both wet and dry grinding.
  • Table and chuck grinding instructions from Walker : Copies of instructions from Walker Magnetic Chuck (date unknown).
• Manuals
  • Grizzly G5963 - 6" x 12" Surface Grinder manual : This manual is for a "modern" surface grinder similar to the Sanford MG; I referenced it for advice on maintenance and lubrication.
• Surface Grinder operation
  • How to Use a Surface Grinder Machine : This article covers various types of grinders. Includes extensive material on surface grinders, including wheel types and selection, wheel mounting, wheel dressing, coolants, etc.
• Wheel balancing
  • Static Balancing of Grinding Wheels : (Note: Scroll to bottom to see relevant article.) How to make and use a simple static balancer.

Tutorials (Videos)

• CSCU Advanced Manufacturing Training Series - these are all short and to the point; worth watching if you are new to surface griding.
  • Surface Grinder: Machine Operation
  • Surface Grinder: Ring Test
  • Truing and Dressing a Wheel
  • Grinding a Part Parallel
• Balancing grinding wheels
  • Grinding wheel mounting & balancing - Shadon HKW
• Dressing a grinding wheel
  • Dressing a Grinding Wheel - Charles Skeen; short and to the point.
  • How to Dress and Balance a Surface Grinder Wheel - Suburban Tools
• Grinding wheel selection
  • LQ#007 Grinding wheels and chatter : [Marc Lecuyer] Short video with good practical advice for the home machinist.
  • Grinding wheels and surface finish : How to select and dress grinding wheels for the best surface finish. Lots of good advice on wheel dressing.
• Improving Grinder Finishes - Shadon HKW; using beeswax and jeweler's rouge to improve finish.
• Magnetic Chuck mounting
  • Mounting a Mag Chuck (& Belt Grinders) : [This Old Tony] Installing a low profile magnetic chuck on the surface grinder. Good detail on grinding the back rail.
  • Mounting and Grinding a Surface Grinder Magnetic Chuck : [Keith Rucker] "In this video, we will go through the process I used to both check how flat my original grind was on the surface grinder table as well as how I ground and mounted the chuck."
  • Reseating a magnetic chuck : [Shadon HKW] Regrinding, checking result with indicator.
  • Toolmaking Mounting a Magnetic Chuck : [Oxtoolco] Mounting a new permanent magnet chuck to the Taft Peirce Surface grinder. Five block test to check results.

Links to Forum Discussions

• Magnetic chucks
  • WARNING! - Improperly fixing a magnetic chuck can result in ruining the magnets. Make sure you know what you are doing before attempting a rebuild or repair.
  • Fixing a Permanent Magnetic Chuck : Teardown and re-build of a magnetic chuck; lots of pictures.
  • Magnetic chuck maintenance : "A magnetic chuck needs to be left in the “on” position permanently while not in use. Cover the entire top surface of the chuck with a suitable magnetic material (sheet metal works well), to ensure that the chuck is “working” all the time. 24/7, 365."
  • Magnetic Chuck rebuild : "Disassembling a magnetic chuck does not result in the magnetic material losing its magnetism. The loss of magnetism after reassembly is improper placement of the magnetic pieces internally. . . The only proper thing to use in a walker style chuck is 90 weight gear oil. (Make sure your o-rings are good)."
  • Magnetic Chuck - Testing and Troubleshooting Questions : Discussion of chuck repair, with contributions by people who have made repairs.
  • Magnetic sine plate repair : Multi-part video series.
• Work Holding
  • Hold-down "Combs" for Non-magnetic Material --- Construction Details : Flat, flexible clamps for holding non-magnetic material on a magnetic chuck (patent here).

Parts and Supplies

Note: Sanford made changes in production of the MG612 during the course of their business. Some parts may be interchangeable among all versions, others may not. Do not assume that parts listed below will fit your grinder - verify measurements, etc. before purchase.

• Wheel adapters, related tools, etc.
  • Sopko : "Our manufactured line is extensive and includes a wide array of stocked products ranging from wheel adapters for both large and small surface grinders to ID grinding quills ... We make and stock hundreds of Flat Belt and Poly-Vee belt ... and motor pulleys. Tool and Cutter Grinder users will find adapters to fit older Cincinnati No. 1 and No. 2 grinders as well a large selection of wheel-pack adapters for Walter Helitronic, ANCA, Huffman, Strausak and Schneeberger CNC machines. Our manufactured line of accessories include, Glare gear nuts, flanges with diameters ranging from 1-1/2"to 8", spacers, spindle nuts, wrenches, truing and balancing arbors, pullers, balancing stands, and a selection of innovative double-taper quills designed to convert internal grinding spindles for external grinding applications.
• Oil for magnetic chuck : 90 weight gear oil.