Compact design, high repeatability and pneumatic actuation create stable conditions for automated machining processes
Pneumatic self-centering vise PZS² – developed for automated manufacturing
Automated manufacturing processes place different demands on clamping systems than manually operated machining cells. Short cycle times, reproducible workpiece positioning and compatibility with loading robots are not optional features but basic prerequisites for economical high-volume production. The pneumatic self-centering vise PZS² from SPREITZER was developed consistently for exactly these requirements: as a compact, automation-ready clamping system with high centering accuracy and repeatability as well as high clamping force.
The pneumatic actuation of the PZS² enables short clamping times and allows the clamping process to be fully automated with loading robots. The centering accuracy is ±0.005 mm, the repeatability 0.003 mm and the pairing accuracy 0.01 mm.
High accuracy: centering accuracy ±0.005 mm and repeatability 0.003 mm
These values are achieved by ground-in base jaws made of surface-hardened, quenched and tempered tool steel that are matched free of play, as well as by precision-ground functional surfaces. The reproducible jaw interface with serration or cross groove ensures a stable and repeatable connection between top jaw and base jaw over many clamping cycles.
Four sizes – from 80 to 280 mm clamping width
The PZS² is available in four sizes. The smallest version, PZS² 80-36, achieves a clamping force of 6,500 N at a weight of 1.5 kg, while the largest version, PZS² 280-100, generates clamping forces of up to 40,000 N at a maximum operating pressure of 10 bar. Depending on the size, the stroke is between 2 and 6.5 mm per side; the clamping width ranges from 80 to 280 mm.
Jaw range: soft block jaws, reversible step jaws, V-jaws
The jaw range of the PZS² comprises soft block jaws, reversible step jaws with serration and V-jaws with serration. Both external and internal clamping are possible, which extends the range of applications to a wide variety of parts.
100% encapsulated design for grinding and EDM operations
The 100% encapsulated design reliably protects the clamping mechanism against the ingress of coolant and chips; an optional sealing air connection further enhances this protection.
Integration into zero-point clamping systems and workpiece automation
For integration into zero-point clamping systems, customer-specific locating bores are optionally available; grid plates, adapter plates or fully integrated solutions can be used as mounting bodies. Additional functions such as a quick-change jaw system, clamping stroke monitoring, clamping force monitoring, pressure holding and central lubrication allow extensive adaptation to specific process requirements.
The main applications of the PZS² are raw part clamping, precision clamping and workpiece automation in high-volume production. Developed and manufactured by SPREITZER in Rottweil, the PZS² is part of a comprehensive clamping technology range for automated, high-precision workpiece machining.
All versions and technical data of the PZS² can be found in the SPREITZER online shop: Pneumatic self-centering vise PZS² in the shop
