single acting with spring return
Threaded-body cylinders are directly screwed into a base body.
Hydraulic oil is fed through drilled channels. Thus exposed pipes and fittings are omitted.
Threaded-body cylinders are normally single-acting hydraulic cylinders with spring return.
The incorporated return spring retracts the piston in depressurised mode.
Single-acting threaded-body cylinders with spring return must not be subjected to a load in retracted position.
There are different versions of threaded-body cylinders with standard hydraulic piston and in plunger design.
Double-acting threaded-body cylinders B1.470 (double-acting threaded-body cylinders B1.470)
Multiple clamping fixture for clamping of small parts. The cylinders can be arranged in clamping bars or yokes.
This multiple clamping fixture is equipped with threaded-body cylinders with swivel contact bolts. The 3° incline of the threaded-body cylinders effects a low-clamping force of approx. 5 % of the clamping force. On plane clamping surfaces swivel contact bolts obtain little surface pressure on the effective points.
Workholding with the use of reversing levers is particularly suited for workpieces which have to be clamped high above the fixture base plate. The force-loop closed within a limited fixture component space eliminates bending forces from entering the fixture base plate. The reversing lever allows easy adaptation of the lever ratio to the clamping force required.
Double-acting threaded-body cylinders in a multiple clamping bar for a welding fixture. Contact bolt with coupling pin (see data sheet G3.800)
Double-acting threaded-body cylinders as pull-type cylinders for a multiple clamping fixture to mill a wrench flat.
Mould a rectangular nozzle with cross hole.
Mould rectangular nozzle by inclined mould release trigger (2).
Mould cross hole by mounted threaded-body cylinder (5) in slide (2).
Cycle (portrayed in simplified terms)
1. Mould closed, substance injected
2. Threaded-body cylinder (5) moves out of the mould
3. Mould opens (the slide operates, the nozzle is free)
4. Workpiece will be removed from mould
5. Mould closes
6. Threaded-body cylinder (5) moves into the mould
1. New cycle