Spring extend Spring return Spring extend, Rubber bumper Spring return, Rubber bumper Symbol *1 Applicable only to single acting, spring return type. For single acting, spring extend type, please contact SMC. *2 Only compatible with cylinders with rubber bumper. Symbol Specifications -XC6 Made of stainless steel*1 -XC20 Head cover axial port*2 -XC27 Double clevis and double knuckle joint pins made of stainless steel -XC29 Double knuckle joint with spring pin*1 -XC85 Grease for food processing equipment Made to Order (For details, refer to pages 77 to 93.) Refer to pages 68 to 74 for cylinders with auto switches. . Auto switch proper mounting position (detection at stroke end) and its mounting height . Minimum stroke for auto switch mounting . Auto switch mounting brackets/Part no. . Operating range . Cylinder mounting bracket, by stroke/ Auto switch mounting surfaces Bore size (mm) 20 25 32 40 20 25 32 40 Action Single acting, Spring return Single acting, Spring extend Lubricant Not required (Non-lube) Fluid Air Proof pressure 1.5 MPa Maximum operating pressure 1.0 MPa Minimum operating pressure 0.18 MPa 0.23 MPa Ambient and fluid temperature Without auto switch: .10°C to 70°C (No freezing) With auto switch : .10°C to 60°C Piston speed 50 to 1000 mm/s Stroke length tolerance Up to 200 st +1.4 0 mm Cushion Rubber bumper Mounting Basic, Basic (without trunnion mounting female thread), Axial foot, Rod flange, Head flange, Rod trunnion, Head trunnion, Clevis (used for changing the port location by 90°) Specifications . A double knuckle joint pin and retaining rings are shipped together. Mounting Basic Axial foot Rod flange Head flange Rod trunnion Head trunnion Clevis Standard Rod end nut V V V V V V V Clevis pin . . . . . . V Option Single knuckle joint V V V V V V V Double knuckle joint. (with pin) V V V V V V V Pivot bracket . . . . V V V Accessories Note) Order two foots per cylinder. Mounting bracket Order q’ty. Bore size (mm) Contents 20 25 32 40 Axial foot 2 Note) CG-L020 CG-L025 CG-L032 CG-L040 2 foots, 8 mounting bolts Flange 1 CG-F020 CG-F025 CG-F032 CG-F040 1 flange, 4 mounting bolts Trunnion pin 1 CG-T020 CG-T025 CG-T032 CG-T040 2 trunnion pins, 2 trunnion bolts, 2 flat washers Clevis 1 CG-D020 CG-D025 CG-D032 CG-D040 1 clevis, 4 mounting bolts, 1 clevis pin, 2 retaining rings Pivot bracket 1 CG-020-24A CG-025-24A CG-032-24A CG-040-24A 1 pivot bracket Mounting Brackets/Part No. (mm) Theoretical Output Refer to the Best Pneumatics No. 2. Spring Reaction Force Refer to the Best Pneumatics No. 2. Note 1) Manufacture of intermediate strokes at 1 mm intervals is possible. (Spacers are not used.) Note 2) Applicable strokes should be confirmed according to the usage. For details, refer to “Air Cylinders Model Selection” on front matter pages of the Best Pneumatics No. 2 or the WEB catalog. In addition, the products that exceed the standard stroke might not be able to fulfill the specifications due to the deflection etc. Bore size Standard stroke Note1) 20 25, 50, 75, 100, 125 25, 32, 40 25, 50, 75, 100, 125, 150, 200 Standard Strokes Be sure to read this before handling. Refer to the back cover for Safety Instructions. For Actuator and Auto Switch Precautions, refer to “Handling Precautions for SMC Products” and the Operation Manual on SMC website, http://www.smcworld.com Precautions Refer to page 10 for Handling and Disassembly/ Replacement. 32 Air Cylinder: Standard Type Single Acting, Spring Return/Extend Series CG1 CG1�ｮQ CBG1 CG1KR CG1R CG1KW CG1K CG1 CG1W CG1 Low Friction With End Lock Direct Mount, Non-rotating Rod Direct Mount Non-rotating Rod Standard Double Acting, Single Rod Double Acting, Single Rod Double Acting, Double Rod Double Acting, Single Rod Single Acting, Spring Return/Extend Double Acting, Double Rod Double Acting, Single Rod Made to Order Auto Switch