*1 Rubber bumper only. *2 The shape is the same as the existing product. Air cushion Rubber bumper Symbol Bore size (mm) 20 25 32 40 Action Double acting, Double rod Fluid Air Proof pressure 1.5 MPa Maximum operating pressure 1.0 MPa Minimum operating pressure 0.08 MPa Ambient and fluid temperature Without auto switch: .10°C to 70°C (No freezing) With auto switch: .10°C to 60°C Lubrication Not required (Non-lube) Stroke length tolerance +1.4 0 mm Piston speed Rubber bumper: 50 to 750 mm/s, Air cushion: 50 to 1000 mm/s Cushion Rubber bumper, Air cushion Allowable kinetic energy Rubber bumper Male thread 0.27 J 0.4 J 0.65 J 1.2 J Female thread 0.11 J 0.18 J 0.29 J 0.52 J Air cushion (Effective cushion length (mm)) Male thread 0.54 J (11.0) 0.78 J (11.0) 1.27 J (11.0) 2.35 J (11.8) Female thread 0.11 J 0.18 J 0.29 J 0.52 J Symbol Specifications -XAl Change of rod end shape -XB6 Heat resistant cylinder (.10 to 150°C) -XB7 Cold resistant cylinder (.40 to 70°C)*1 -XB12 External stainless steel cylinder*2 -XC3 Special port location -XC4 With heavy duty scraper -XC5 Heat resistant cylinder (.10 to 110°C) -XC6 Made of stainless steel -XC13 Auto switch rail mounting -XC22 Fluororubber seal -XC25 No fixed throttle of connection port*1 -XC29 Double knuckle joint with spring pin -XC35 With coil scraper*1 -XC38 Vacuum (Rod through-hole) -XC52 Mounting nut with set screw -XC85 Grease for food processing equipment -X446 PTFE grease Refer to pages 95 to 99 for cylinders with auto switches. . Auto switch proper mounting position (detection at stroke end) and its mounting height . Minimum stroke for auto switch mounting . Operating range . Auto switch mounting brackets/Part no. Specifications * Order 2 foots per cylinder. Mounting bracket Min. order q’ty Bore size (mm) Contents 20 25 32 40 (for minimum order quantity) Axial foot* 2 CM-L020B CM-L032B CM-L040B 2 foots, 1 mounting nut Flange 1 CM-F020B CM-F032B CM-F040B 1 flange Trunnion (with nut) 1 CM-T020B CM-T032B CM-T040B 1 trunnion, 1 trunnion nut Mounting Brackets/Part No. Refer to pages 22 and 23 for accessories, since it is the same as standard type, double acting, single rod. * Maximum ambient temperature for the rod boot itself. Symbol Rod boot material Maximum ambient One side Both sides temperature J JJ Nylon tarpaulin 70°C K KK Heat resistant tarpaulin 110°C* Accessories Rod Boot Material Bore size (mm) Standard stroke Note 1) (mm) Maximum manufacturable stroke (mm) 20 25, 50, 75, 100, 125, 150, 200, 250, 300 500 25 32 40 Standard Strokes Note 1) Other intermediate strokes can be manufactured upon receipt of order. 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. Made to Order (For details, refer to pages 101 to 117.) 27 Series CM2W