ASME B107.36-2002 pdf – PLIERS; LOCKING, CLAMP, AND TUBING PINCH-OFF
ASME B107.36-2002 pdf – PLIERS; LOCKING, CLAMP, AND TUBING PINCH-OFF .
Handlcs of pliers shall be through hardened from 3OtoSOllRCorcasebaidcnedfrom75toH6HRl5N, with a ca.sc depth of a minimum of 0.010 in. (0.23 mm). HandLes shall be so shaped as to afford a comfanable gnp and shall be fr from rough edges and sharp corners. When the pliers are locked in any position of the jaws, the minimum handle ciwance between the fixed and movable handle shall be as specified in the appropriate tables. Outer hand-pipping surfaces of handles shall be smooth, knurled, or irnpreised.
Pliers joints shall have no excessive looseness, play. LW any other indications of side play of the two halves of the pliers when opened cw closed, which could impair the function of pliers. Joint fasteners shall be through hardened from 25 to 50 HRC. What fasteners rccive a case hardening txeaunent in addition to & through hardening, a maximum hardness of 60 HRC or equivalent will be permitted.
4.6.1 Jaw Openings. Ends of jaws haII open, when adjusted by the screw, to the entire respective clamping range minimum specified in Tables 2 through 5. Pliers shall operate in a smooth and uniform manner.
4.82 Jaw Hardness. Jaws shall be through hardened from 35 to 50 HRC w case hardened from 83 to 90 HRL5N, with a ca.se depth minimum of 0.010 in. (0.25 mm). If provided, swivel pads need not be hardened.
4.7 Adjusting Screw
Adjusting screw located at the end of handle shall have a minimum hardness of 30 HRC.
Pliers shall be marked in a plain and permanent manner with the manufacturer’s name or with a trademark of such known character that the source of manufacture and counhry of origin can be readily determined. Marking shall be as permanent as the normal life expectancy of the plAcrs, providing thc surface has not been subjected to a fretting or abrading action, and lx capable of withstanding the cleaning normally cxpenenced during its intended use.
cordance with ASME B46. 1. Surfaces shall be free from pits, nodules, burrs, and ohcr conditions that may adversely affect performance or appearance. Ground surfaces shall have a maximum iurfacc roughness of 200 ILin. (5.1 am) anthmetic average. Measurement of the finish shall be made with a measunng instniment using a cutoff length of 0.03 in. (0.8 mm).
4.9.2 Coating. Coating shall be adberern. smcx*h, conrinuou.s, and free of pits. blisters, nodules, oxide scaie, and any other condibons that may inteifere with the procetive value and serviceability of the pliers. Cadmium piate shall no be allowed. Pliers shall be coated with a supplementary rust-prevernaive treatment.
Spring shall be capable of cipeuing the jaws to the miunium value of the respective clamping range minimum dimension as specified in the tables for the indivithial type and class of pliers.
Dimensions shill be determined by measuring the pliers with jaws in the cked and hxked jxsition. The overall length measurement shall incli.ie the adjusting screw.
Requirements within this Standaii e intended to describe the best commercial quality pliers avmlablc. Pliers shall conform to the requirements of this Stndard.
S TEST PROCEDURES
WARNING: MANY TESTS REQUIRED HEREIN ARE INHERENTLY HAZARDOUS, AND ADEQUATE SAFEGUARDS FOR PERSONNEL AND PROPERTY SHALL BE EMPLOYED IN CONDUCTING SUCH ThSTS.
5.2 Hardness Test
Hardness range specified shall be tested in hxoriance with ASMI B107.25M, pa. 5.3.