Tool turret with pneumatic locking system

Details Tool turret with pneumatic locking system Tool turret with pneumatic locking system

1992-05-21

1993-02-23

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

With turret mechanism

74813L, 74826, 82159, B23B 2932, B23Q 1700

Patent

active

051878470

ABSTRACT:
A tool turret includes two toothed rims concentric to the rotary axis of its turret head and arranged radially adjacent to one another. One rim is immovable relative to the turret head. The other rim is immovable relative to the turret housing. The teeth of the toothed rims point toward a position-locking member arranged in an axial direction adjacent and coaxial to both of the toothed rims. The toothed rims can be held by a piston which is axially slidable to a position-locking setting, in which its teeth engage the teeth of the two toothed rims without any play. The piston is part of a pneumatic assembly. The angle formed by the sides of each tooth of the toothed rims and the position-locking member is reduced from the conventional value of 60.degree. to a value in which the axial components effecting the tooth components of the tool reaction forces effective peripherally around the turret head is smaller than the sum of the axial force which can be produced by the piston and the axial force latent in the friction between the mating teeth.

REFERENCES:
patent: 3718055 (1973-02-01), Maier
patent: 3999264 (1976-12-01), Carmen
patent: 4989303 (1991-02-01), Sauter et al.
patent: 4991474 (1991-02-01), Thumm et al.

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