Tool Encyclopedia

Galerie d'Images de Pinces

Fig.1-9. Collet is a subtype of chuck (i.e. holding device), which clasps a workpiece or a tool to be held and exerts the strong clamping force on the object, usually by means of a tapered outer collar.

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printing icon of tool holder for downloadsCARBIDE COLLET CHUCK FOR CITIZEN B12 LATHES.

Size in Pixels (inches at 300dpi): 1500x1050 (5x3.5), 1800x1200 (6x4), 2100x1500 (7x5), 2400x1800 (8x6), 2550x1800 (8.5x6), 3000x2400 (10x8).

printing icon of tool holder for downloadsHEADSTOCK COLLET dia. 31.0 mm.

Size in Pixels (inches at 300dpi): 1500x1050 (5x3.5), 1800x1200 (6x4), 2100x1500 (7x5), 2400x1800 (8x6), 2550x1800 (8.5x6), 3000x2400 (10x8).

The collet is tightened against a matching taper such that its inner surface contracts to a smaller diameter, squeezing the tool or workpiece whose secure holding is desired. This is mostly achieved with a spring type collet (made of spring steel), with one or more special cuts along its length that are allowing it to expand and contract.

The advantages of collet is that it combines all of the following into the formula of Five "S", which is highly preferable and valuable in the repetitive part production:

Simple chucking process as 1-2-3 (1 unclamp one part, 2 - switch to a new part, 3 reclamp)
Self-centering
Strong clamping force
Stable resistance against being untight
Setting-off at the high precision level (runout is less than 0.005 inches TIR)

"A collet is a sleeve with a (normally) cylindrical inner surface and a conical outer surface. The collet can be squeezed against a matching taper such that its inner surface contracts to a slightly smaller diameter, squeezing the tool or workpiece whose secure holding is desired. Most often this is achieved with a spring collet, made of spring steel, with one or more kerf cuts along its length to allow it to expand and contract. An alternative collet design is one that has several tapered steel blocks (essentially tapered gauge blocks) held in circular position (like the points of a star, or indeed the jaws of a jawed chuck) by a flexible binding medium (typically synthetic or natural rubber)." ( Source )

Types de pinces �num�r�s sont en stock: Pinces BLC; Pinces en carbure; Canons de Guidage; Pinces Poup�es; OZ, Pinces EMC et ER; Pinces de Taraudage � Changement Rapide; Pinces SD; Pinces de Taraudage et bien d'autres...

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printing icon of tool holder for downloads The Tool Holder Static Image Section features plenty of tool holder pictures & videos available for download. Share them, blog them... and enjoy!


printing icon of tool holder for downloads La section d'Images de Pinces comporte beaucoup de photos et vid�os de porte-outils disponibles pour le t�l�chargement. Les partagez et bloquez... et profitez-en!

?Une pince est un dispositif de serrage (sp�cifiquement � un sous-type de mandrin) qui forme une bride autour de l'objet � maintenir et exerce une force de serrage sur l'objet quand il est serr�, g�n�ralement par l'interm�diaire d'une bride ext�rieure conique. Elle peut �tre utilis�e pour maintenir une pi�ce ou un outil.

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