The CUJ miniature free mount series is a space saving compact cylinder. It is available in 4mm to 10mm bore sizes with stroke lengths up to 20mm for double acting and 10mm for single acting. Options include auto switch capabilities, double and single acting, mounting from 4 directions.
models with auto switch and singleacting, spring return type Except bore size 4 Mass: Single Acting, Spring Return Unit: g Bore size (mm) Standard stroke (mm) 4 6 8 10 7.2 12.8 15.8 17.9 Built-in magnet Rod end male threaded Additional mass CUJB4 CUJB6 CUJB8 CUJB10 2.4 2.5 2.4 0.4 0.8 1.5 2.6 15.2 18.6 20.8 19.9 22.3 7.9 14.0 17.2 19.4 2
Seal retainer 5 Chromated (CUJB4 only) Aluminum alloy Magnet retainer 6 Chromated Aluminum alloy Single Acting, Spring Return Return spring 7 Piano wire Contents Kit no. Bore size (mm) 4 6 8 10 Bronze element 8 Sintered metallic BC CUJB4-S-PS Magnet 9 CUJB6-S-PS Rod end nut 10 Iron Nickel plated Set of !1 and grease pack.
Doc. no. PRODUCT NAME FREE MOUNT CYLINDER MODEL/ Series (D)U SERIES (D)UK SERIES (D)UW SERIES (D)UKW SERIES 1/10 Contents Safety Instructions 2 1. Specifications 4 2. Installation and Handling 6 3. Maintenance 9 4. Basic Circuit for Cylinder Operation 9 5. Troubleshooting 10 S No. 2/10 Free Mount Cylinder / Series CU Safety Instructions These safety instructions are intended to prevent hazardous
3 Double acting Piston seal Rod seal CUJB4-PS NBR 4 6 8 10 CUJB4-PS CUJB6-PS CUJB8-PS CUJB10-PS Set of left nos. !1, !2, !3 and grease pack. CUJB6-PS Tube gasket CUJB8-PS CUJB10-PS Seal kit !1 to !3 comes as a set. Use the kit number for each bore size. Single acting, spring return CUJB4-S-PS 4 6 8 10 CUJB4-S-PS CUJB6-S-PS CUJB8-S-PS CUJB10-S-PS CUJB6-S-PS Set of left nos. !
Bore size 1 Hard anodized Aluminum alloy 4 CUJB4-PS Cylinder tube 2 Above numbers 11, 12, 13 and an exclusive grease pack.
Bore size (mm) Hard anodized Aluminum alloy CUJB4-PS 4 q Cylinder tube Electroless nickel plated Copper alloy Set of nos. above !1, !2, !3 and an exclusive grease pack.
Bore size (mm) Hard anodized Aluminum alloy CUJB4-PS 4 q Cylinder tube Electroless nickel plated Copper alloy Set of nos. above !1, !2, !3 and an exclusive grease pack.
3 Double acting Piston seal Rod seal CUJB4-PS NBR 4 6 8 10 CUJB4-PS CUJB6-PS CUJB8-PS CUJB10-PS Set of left nos. !1, !2, !3 and grease pack. CUJB6-PS Tube gasket CUJB8-PS CUJB10-PS Seal kit !1 to !3 comes as a set. Use the kit number for each bore size. Single acting, spring return CUJB4-S-PS 4 6 8 10 CUJB4-S-PS CUJB6-S-PS CUJB8-S-PS CUJB10-S-PS CUJB6-S-PS Set of left nos. !
3 Double acting Piston seal Rod seal NBR 4 6 8 10 CUJB4-PS CUJB6-PS CUJB8-PS CUJB10-PS Set of left nos. !1, !2, !3 and grease pack. Tube gasket Seal kit !1 to !3 comes as a set. Use the kit number for each bore size. Single acting, spring return 4 6 8 10 CUJB4-S-PS CUJB6-S-PS CUJB8-S-PS CUJB10-S-PS Set of left nos. !1 and grease pack.
auto switch: 10C to 70C (14 to 158F) (with no freezing) With auto switch: 10C to 60C (14 to 140F) (with no freezing) Ambient and fluid temperature Cushion None Piston speed Lubrication Non-lube 50 to 500mm/s (2 to 19in/s) Thread tolerance Stroke length tolerance Mounting JIS class 2 +0.5 0 Through hole 2 Series CUJ Dimensions (mm) 4 Double Acting/Single Acting 1in=25.4mm Without magnet/CUJB4
120 6 tube Correction Factor C3 for Supply Pressure Supply pressure (MPa) Correction factor C3 10 Tube volume [mm3] 0.4 0.3 80 0.7 0.4 1 0.5 60 1.25 0.6 4 tube 1.6 0.7 40 20 2 tube 0 0 2000 4000 6000 8000 10 12000 Tube piping length from the switch valve to the actuator [mm] 4 Model Selection Selection Example Select the length of moisture control tube. 2 Circuit conditions Actuator : CUJB4
Magnet: D (Built-in Magnet), Mounting Direction: B (Lateral Mounting), Bore Size: 10, Stroke: 4mm, Action: S (Single Acting Spring Return), Rod End Thread: M (Rod End Male Thread)
Magnet: D (Built-in Magnet), Mounting Direction: B (Lateral Mounting), Bore Size: 8, Stroke: 4mm, Action: S (Single Acting Spring Return), Rod End Thread: M (Rod End Male Thread)
Magnet: D (Built-in Magnet), Mounting Direction: B (Lateral Mounting), Bore Size: 6, Stroke: 4mm, Action: S (Single Acting Spring Return), Rod End Thread: M (Rod End Male Thread)
Magnet: None, Mounting Direction: B (Lateral Mounting), Bore Size: 8, Stroke: 4mm, Action: S (Single Acting Spring Return), Rod End Thread: M (Rod End Male Thread)
Magnet: None, Mounting Direction: B (Lateral Mounting), Bore Size: 10, Stroke: 4mm, Action: S (Single Acting Spring Return), Rod End Thread: M (Rod End Male Thread)