HGRS-IV (1993)

Description Further refined for general cleanroom use, pneumatic-lock workholder with integral shear system. Shares filament-resistance-based temperature controls of earlier models.

Identify By: Faceplate logo, thinner cabinet profile, base-mounted transformer pods, dual analog jet controllers, 3"x3" travel workplate, center mounted optic post.

Problem Areas: Temperature control system, ball-bearing positioners tend to become scratchy over time. Workholder travel limited by cabinet supports so unsuitable for larger devices. Rear-mounted lamp panel creates maintenance access problems. Center optical post proved inconvenient.

Status: Obsolete, critical components in temperature control system are no longer commercially available. 

Support: Some replacement parts available, 

Overhaul Cost:  Not available, but conversion to digital controls is feasible.

© Midas Technology, Inc 2011