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  • Users: bigj4
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  1. bigj4

    Industrial VSD Air Compressors 200 HP, Opinions needed on best reputation and dependability.

    I am in the market for an air compressor for a machine / grinding shop. Need some opinions as to which manufacturer has best reputation and stands behind their product. The two machines and manufacturers I am looking at are. Atlas Copco. Model GA160VSD, air cooled-FF-A-60-8.6 200 hp, 1073...
  2. bigj4

    LOOKING FOR YOUR OPINION ON AIR COMPRESSOR MANUFACTURERS

    I am in the market for an air compressor for a machine / grinding shop. Need some opinions as to which manufacturer has best reputation and stands behind their product. The two machines and manufacturers I am looking at are. Atlas Copco. Model GA160VSD, air cooled-FF-A-60-8.6 200 hp, 1073...
  3. bigj4

    Burning coolant hole into a carbide cutting tool to join existing hole. Arching and deformation

    I have a problem joining coolant holes in carbide using a copper electrode around 1mm in diameter. As the hole is being drilled in the perimeter of the tool the arch cuts the hole while feeding in but also arches around the electrode and damaged the cutting edge. Grounding is good, coolant is...
  4. bigj4

    Carbide Cutting Tooling with High Pressure Oil Holes. Need Suggestions on Plugging.

    I am looking for options on plugging high pressure coolant feed hole in a solid carbide drills / cutting tools etc. The coolant hole diameters vary based on tool diameter, Tried brazing, epoxy and expandable plugs, some of the processes work, but stain the finished tools or change the diameter...
  5. bigj4

    Sandvic Capto spindle taper regrinding

    I need help finding a company around the Milwaukee area that is capable of grinding a Sandvic Capto spindle taper, does anyone have contact information?
  6. bigj4

    Carbide Central Coolant System, What coolant will work best?

    I have a 8,000 gallon Central Coolant System I use for grinding carbide rods and use a water soluble coolant. The Central System uses four Large sand filters that get back flushed to keep the coolant clean. I was told that you can only use synthetic coolants in the system due to the sand...
  7. bigj4

    Fall Protection in Machine Shop Environment

    I work in a machine shop where there is a need to work on top of equipment (machines) at a height over five feet high. Sometimes to replace cabinet AC chillers or motors on top of machines. What kind of Fall protection is available or used in the industry to comply with OSHA. The work can not...

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