VV-C-846D
and while the pin is rotating at about 290 RPM and increase the jaw load from 0 to 250 pounds by engaging the eccentric arm to the ratchet wheel. When the jaw load has reached 250 pounds, disengage the eccentric arm and maintain the load for one minute. Take the torque reading at the beginning of the one-minute period. Re-engage the eccentric arm and allow the jaw load to increase to 500 pounds. Upon reaching the load, take the torque reading again and maintain the load for a period of one minute. Repeat this procedure in increments of 250 pound jaw load until the required jaw load has been reached.
4.4.7 Toxicity. The contractor shall furnish the toxicological data and formulations required to evaluate the safety of the material for the proposed use.
5. PACKAGING
5.1 Packaging, packing, and marking. Unless otherwise specified in the acquisition order (see 6.2), The requirements for packaging, packing, and marking shall be in accordance with MIL-STD-290.
5.2 Unit quantity. The cutting fluid should be provided in a 2-ounce, 1-gallon, 5-gallon, or
55-gallon unit quantity as specified in the acquisition order (see 6.2).
6. NOTES
INFORMATION FOR GUIDANCE ONLY. (This section contains information of a general or explanatory nature that is helpful, but is not mandatory.)
6.1 Intended use. The cutting fluids covered by this specification are intended for use as coolants and lubricants for metal cutting operations when diluted with water to approximately 5 percent by volume.
6.1.1 Type I. Type I emulsifiable oil is intended for easily-machined metals such as copper, brass, cast iron, and aluminum.
6.1.2 Type II. Type II emulsifiable oil is intended for metals that are moderately easy to machine such as bronzes, low carbon steel, or annealed high carbon steel. This type of oil is not intended for use in the machining of aluminum or copper alloys where staining is objectionable.
6.1.3 Type III. Type III emulsifiable oil is intended for difficult-to-machine high alloys or stainless steels and titanium.
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