ASME B107.36 pdf download

ASME B107.36 pdf download.PLIERS: LOCKING， CLAMP, ANDTUBING PINCH-OFF.
4.4 Handles
Handics of pliers shall be through hardcncd from 3Oto 50 HRCorcasehardenedfrom 75 to S6HRISN, with a case dcpth of a nunimum of 0.010 in. (0.25 mm). Handles shall be so shaped as to afford a comfortable grip and shall be free from rough edges and sharp cos•ners. When the pliers we locked in any position of the jaws, the minimum handle clearance between the fixed and movable handle shall be as specified in the appropriate tables. Outer hand-gnpping surfaces of handles shall be smooth, knurled. or impressed.
4.5 Joints
Pliers joints shall have no excessive looseness, play. or any other indcatrnns of side play of the two halves of the pliers when opened or closed, wInch could impair the function of pliers. Joint fasteners shall he through hardcned from 25 toSO HRC. Where fastcncrs receive a case hardening eatmcnt in addition to the through hardcrnn. a maximum hardness of 60 HRC or cquivalcnt will be pesuzined.
4.6 Jaws
4.6.1 Jaw Op.nings. Ends of jaws shall open, when adjusted by the screw, to the entire respective clamping range minimum specthed m Tables 2 through 5. Pliers shall operate in a smooth and uniform manner.
4.6.2 Jaw Hardnss. Jaws shall be through hardened from 35 to 50 HRC or cane hardened from X3 to 90 HR1SN, with a case depth minimum of 0.0l0 in. (0.25 mm). If provided, swivel pads need not be hardened.
4.7 Adjusting Screw
Mjusang screw located at the end of handle shall have a minimum hardness of 30 HRC.
6.1.1 Class 1, C Clamp, Style A Fixed. Jaws shall have radiuscd or lightly serrated clamping surfaces. Class I, Style A phen shall conform to the dimensions of Table 2 and shall be similar to the illustrauon accompanying Table 2. With the Jaws closed and locked, a rcctaugular block of a size equal to dimensions B and C shall pass freely through the thront.
8.1.2 Class 1. C’ Clamp, Style B, Fixed With Swivel Pads. Jaws shall have smooth clamping surfaces that ae movable so as to facilitatc parallel clamping throughout adjustxncnt range. Clamp shall conform to the dimensions of Table 3 and shall be similar to the illustration accompanying Table 3. With clamp jaws closed and locked, a rectangular block of a sue equal to dimensions B and C shall pass freely through the throat.
6.1.3 Class 2. Sheet Metal Clamp. Jaws shall havc enlarged clamping surfaces suitable for firmly holding sheet metal. Clamp shall conform to the dimensions in Table 4 and shall be similar to the illusbation accompanying Table 4.