Aluminium shaft collar QSCA series

rubberspringquick-release

Product description
Pneumatic QSCA-N shaft-locking clamps are automated quick locks designed for machine changeover and positional locking of sliding shafts and spindles. The mechanism uses spring clamping when air is removed and pneumatic unclamping when air is supplied, ensuring clamping force is maintained even if slight air leakage occurs. The body is machined from 5052A aluminum alloy with a sandblasted finish and seals use nitrile rubber O-rings.

Product types

• QSCA — Shaft Locking Clamps (Pneumatic, aluminum body)

Parts table (excerpt)
Headers: ID | SKU | Part Number | D (mm) | D1 (mm) | L (mm) | L1 (mm) | W (mm) | W1 (mm) | H (mm) | H1 (mm) | H2 (mm) | Holding Torque | Sliding Load (Lbs) | Suitable Shaft Diameter (h6-h9)
142214 | QSCA10-N | QSCA10-N | 10 | M4 - C-bore depth 4.5 | 45 | 30 | 35 | 8 | 62 | 28 | 12 | 0.7 | 33 | 10
142215 | QSCA12-N | QSCA12-N | 12 | M4 - C-bore depth 4.5 | 45 | 30 | 35 | 8 | 62 | 28 | 12 | 0.9 | 33 | 12
142216 | QSCA14-N | QSCA14-N | 14 | M4 - C-bore depth 4.5 | 45 | 30 | 35 | 8 | 62 | 28 | 12 | 1.0 | 33 | 14
142217 | QSCA15-N | QSCA15-N | 15 | M4 - C-bore depth 4.5 | 58 | 35 | 40 | 10 | 80 | 35 | 19 | 1.6 | 45 | 15
142218 | QSCA16-N | QSCA16-N | 16 | M4 - C-bore depth 4.5 | 58 | 35 | 40 | 10 | 80 | 35 | 19 | 1.8 | 45 | 16
142241 | QSCA20-N | QSCA20-N | 20 | M4 - C-bore depth 4.5 | 58 | 35 | 40 | 10 | 80 | 35 | 19 | 1.9 | 45 | 20


Technical specifications

• Operation: spring-clamp (clamps when air is removed) and pneumatic-unclamp (unclamps when air is supplied); design prevents reduction of clamping force due to air leakage
• Body material: 5052A aluminum alloy, sandblasted finish
• Seals / O-ring: nitrile rubber
• Available part numbers and nominal suitable shaft diameters: QSCA10-N (10 mm), QSCA12-N (12 mm), QSCA14-N (14 mm), QSCA15-N (15 mm), QSCA16-N (16 mm), QSCA20-N (20 mm)
• Typical mounting: M4 counterbore (C-bore depth 4.5 mm) per table
• Overall length (L): 45 mm or 58 mm depending on variant
• Holding torque and sliding load values: see parts table (excerpt)
• Intended use: secure clamping of sliding shafts and spindles after position adjustment for machine changeover