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The Grooved Pins are parallel pins with three equi-spaced longitudinal grooves. They are rolled or pressed into the cylindrical body to deform the pin stock outward within controlled limits. When this pin is forced into a drilled hole of proper diameter, a locking fit is obtained. Only a straight drilling hole is required and no reaming is needed. A few of them are illustrated above.
|Grooved taper pins (steel dowel)|
|2||Connecting rod bearings||0.0050-0.0075||0.0050-0.0075||0.0030-0.0055|
|4||Main thrust bearings-width||0.0050-0.0100||0.0050-0.0100||0.0050-0.0110|
|10||other oil rings, side||0.0015-0.0045||0.0015-0.0040||0.0030-0.0036|
|11||other oil rings, gap||0.0150-0.0250||0.0150-0.0250||0.0150-0.0250|
|12||Piston pin bearing||0.0055-0.0065||0.0020-0.0034||0.0015-0.0029|
|13||Vertical drive gears Backlash||0.0120-0.0160||0.0120-0.0160||0.0030-0.0100|
When pressed into a hole the size of the Groov-Pin’s original diameter, the hole compresses the expanded pin and creates a forceful hold. This unique locking action is created without permanent deformation of either the pin or base material.
|Tolerance of Groove Pins|
Withstand severe shock/vibration, even with axial displacement,Solid construction stronger than spring pins,Different groove types for a wide range of applications,Require only a straight drilled or molded hole,Reduce assembly steps,Driven with hammer, air cylinder or hydraulic press,Can be hopper-fed for automatic installation,Easy installation and quick assembly,Removable and reusable.
Grooved pins are manufactured from stainless steel material etc. our manufacturing range for grooved pins is from 0.2 to 16 mm in diameter and 1 to 200 mm in length.cylindrical (dowel) or parallel pins are used either to retain parts in a fixed position or to preserve alignment.
Internal threaded cylindrical (dowel) pin are for easy extraction, from blind holes. hardened pins are manufactured from case hardened alloy steel or as per buyers requirement. air vent may be provided.
|Grooved pins and shaft rollers|
|ISO 492-2002||Rolling bearings||Radial bearings – Tolerances|
|ISO 5593-1997||Rolling bearings||Vocabulary|
|ISO 5753-1991||Rolling bearings;||radial internal clearance|
|ISO 582-1995||Rolling bearings – Chamfer dimensions||Maximum values|
|ISO 5949-1983||Tool steels and bearing steels; Micrographic method for bearings||assessing the distribution of carbides using reference photomicrographs|
|ISO 6279-2006||Plain bearings||Aluminium alloys for solid bearings|
|ISO 6280-1981||Plain bearings; Requirements on backings for needle||thick-walled multilayer bearings|
|ISO 6282-1983||Plain bearings; metallic thin-walled half bearings;||determination of the sigma 0,01<(hoch)*>-limit|
|ISO 6524-1992||Plain bearings; thin-walled half-bearings;||checking of peripheral length|
|ISO 6525-1983||Plain bearings; Ring type thrust washers made from strip;||Dimensions and tolerances|
Taper Pins are preferred for parts which have to be taken apart frequently and when driving out the Cylindrical Pins, would tend to wear the holes and also to very accurate constructed tools and gauges which have to be kept in absolute alignment.
External & Internal Threaded Taper Pins are used for extraction of the pins more conveniently.
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