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Series QCTF - QCBF

Series QCTF - QCBF

Double-acting, magnetic, with double bearings and flanges
ø 20, 25, 32, 40 mm
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.
Series
Accessories
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Type of construction Guided with double bearings and double flanges
QCTF = sintered bronze bushes
QCBF = linear ball bearings
Operation Double-acting
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)
Operating temperature 0°C ÷ 80°C (with dry air -20°C)
Speed 50 ÷ 500 mm/s
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
Operating pressure 1 ÷ 10 bar
Fluid Clean air, non lubricated. If lubricated air is used, it is recommended to use oil ISOVG32. Once applied the lubrication should never be interrupted.
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Your configuration
Coding example
QC T F 2 A 020 A 050
QC SERIES
T TYPE OF BEARING
T = sintered bronze bushes
B = linear ball bearings
F VERSION
F = double flange
2 OPERATION
2 = double-acting
PNEUMATIC SYMBOL
CD14
A MATERIALS
A = anodized aluminium body - rolled stainless steel piston rod AISI 303
rolled stainless steel AISI 420B colums for QCTF - hardened steel C50 colums for QCBF
020 BORE
020 = 20 mm - 025 = 25 mm - 032 = 32 mm - 040 = 40 mm - 050 = 50 mm
A CUSHION
A = fixed mechanical cushion (standard)
B = two shock absorbers located on the body
C = one shock absorber located on the rear flange
050 STROKE (see the table)
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