American National Standard Stub Acme Threads

American National Standard Stub Acme Threads.-Esta Norma Nacional Americana ASME / ANSI B1.8-1988 (R1994) ofrece una rosca Acme Stub para aquellos inusuales aplicaciones donde, debido a consideraciones mecánicas o metalúrgicas, un coarsepitch Se requiere hilo de poca profundidad. El ajuste de roscas Acme Stub corresponde a la Clase 2G uso general Acme hilo en American National estándar ANSI B1.5-1988. Para un ajuste con menos holgura, las tolerancias y subsidios para las clases 3G o 4G ge neral Roscas Acme efecto podrá utilizarse.

Table 12. American National Standard Stub Acme Screw Thread Form — Basic Dimensions  ASME/ANSI B1.8-1988 (R1994)

THREAD DIMENSIONS FOR ACME AND STUB ACME THREADS When created prior to 1895, Acme screw threads were intended to replace square threads and a variety of threads of other forms used chiefly for the purpose of traversing motion on machines, tools, etc. Acme screw threads are now extensively used for a variety of purposes. Long-length Acme threads are used for controlled movements on machine tools, testing machines, jacks, aircraft flaps, and conveyors. Short-length threads are used on valve stems, hose connectors, bonnets on pressure cylinders, steering mechanisms, and camera lens movements. Dimensional Charts for  Acme, General Centralizing Acme and Stub Acme Threads. You can use our  Acme Thread Calculator or Stub Acme Thread Calculator to get dimensions for any Acme thread. Dimensions shown are in Inches, if you wish to convert to mm, please use our  universal converter .