GMT universal ball lock chucks

GMT universal ball lock chucks (UBLC) are designed to clamp components and ensure face butting. Ball Lock Chucks have certain distinctive advantages over wedge and lever type chucks. Jaw movement is achieved by sliding and swivel of the base jaws, which are amply proportioned.

This results in less wear, less bearing pressure and less stress concentration in the jaws when compared to same sizes of wedge or lever type chucks. 

Apart from the radial clamping forces, these ball lock chucks provide an axial force to pull the component against the butting face. This is achieved as the jaw movement is along an arc. Wedge, base jaw, spherical aligner, spherical bushes are made of Nickel Chrome Steel, case hardened and precision ground on all working surfaces.

Eccentric compensating type of ball lock chuck is essentially designed where the component is usually located between two centres, one on the chuck body and one on the tailstock of the machine. Since the line of the centres is defined, concentricity is guaranteed and the ball lock chuck design allows adequate freedom for the jaws to adjust and accommodate the irregularities of the job before full clamping force is applied.

Features :

• Positive pull back action against jaw face after clamping due to spherical movement.
• Positive sealing to prevent entry of chips.

GMT UBL chucks are offered in 2 versions:

• Self centering
• Eccentric compensating