These cylinders have been designed to be used in applications where space is limited. Regarding the bearings, the Slide Units are available in two versions, one with double sintered bronze bushes (Mod. QCTF) and the other with double linear ball bearings (Mod. QCBF). The QCTF version would normally be selected when the side loads applied to the slide unit are high. Mod. QCBF is suitable for fast cycles (less side load) and higher precision.
The end cushioning is available in three different variants:
A. fixed mechanical cushion (standard)
B. with two shock absorbers located on the body
C. with one shock absorber located central on the rear flange.
The versions B and C are suitable for handling of higher mass forces and / or when it is
necessary to adjust the stroke.
Materials - body = anodized AL
flanges = zinc-plated steel
piston rod = rolled stainless steel AISI
QCTF columns = rolled stainless steel 420B
QCBF columns = hardened steel C50
seals = PU
Mounting - threaded and non threaded holes in the body
Strokes min. max - (see table)
Stroke end cushioning Type A - extended stroke - fixed mechanical cushioning
retracted stroke - fixed mechanical cushioning
we recommend preventing the piston from striking against the end covers
Stroke end cushioning Type B - extended stroke - shock absorber
retracted stroke - shock absorber
Stroke end cushioning Type C - extended stroke - shock absorber
retracted stroke - fixed mechanical cushioning
we recommend preventing the piston from striking against the end covers