Mounting and Accessories Note 1) Trunnion nut is attached to the trunnion. Note 2) A pin and retaining rings (split pins for o40) are shipped together with double knuckle joint. Accessories Mounting Standard Option Mounting nut Rod end nut Single knuckle joint Double Note 2) knuckle joint Rod boot Pivot bracket Basic (Doubleside bossed) V (1 pc.) V (2 pcs.) V V V . Axial foot V (2 pcs.) V (2 pcs.) V V V Flange V (1 pc.) V (2 pcs.) V V V Trunnion V (1 pc.) Note 1) V (2 pcs.) V V V V Note One/Both side(s) Warning 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 1. Do not rotate the cover. If a cover is rotated when installing a cylinder or screwing a fitting into the port, it is likely to damage the junction part with cover. 2. Do not operate with the cushion needle in a fully closed condition. Using it in the fully closed state will cause the cushion seal to be damaged. When adjusting the cushion needle, use the “Hexagon wrench key: nominal size 1.5”. 3. Do not open the cushion needle wide excessively. If the cushion needle were set to be completely wide (more than 3 turns from fully closed), it would be equivalent to the cylinder with no cushion, thus making the impacts extremely high. Do not use it in such a way. Besides, using with fully open could give damage to the piston or cover. 4. Operate the cylinder within the specified cylinder speed, kinetic energy and lateral load at the rod end. 5. The allowable kinetic energy is different between the cylinders with male rod end and with female rod end due to the different thread sizes. 6. When female rod end is used, use a washer, etc. to prevent the contact part at the rod end from being deformed depending on the material of the work piece. 7. Do not apply excessive lateral load to the piston rod. Easy checking method Minimum operating pressure after the cylinder is mounted to the equipment (MPa) = Minimum operating pressure of cylinder (MPa) + {Load mass (kg) x Friction coefficient of guide/Sectional area of cylinder (mm2)} If smooth operation is confirmed within the above value, the load on the cylinder is the resistance of the thrust only and it can be judged as having no lateral load. Caution 1. Not able to disassemble. Cover and cylinder tube are connected to each other by caulking method, thus making it impossible to disassemble. Therefore, internal parts of a cylinder other than rod seal are not replaceable. 2. Use caution to the popping of a retaining ring. When replacing rod seals and removing and mounting a retaining ring, use a proper tool (retaining ring plier: tool for installing a type C retaining ring). Even if a proper tool is used, it is likely to inflict damage to a human body or peripheral equipment, as a retaining ring may be flown out of the tip of a plier. Be much careful with the popping of a retaining ring. Be-sides, be certain that a retaining ring is placed firmly into the groove of rod cover before supplying air at the time of installment. 3. Do not touch the cylinder during operation. Use caution when handling a cylinder, which is running at a high speed and a high frequency, because the surface of a cylinder tube could get so hot enough as to cause you get burned. 4. Do not use the air cylinder as an air-hydro cylinder. If it uses turbine oil in place of fluids for cylinder, it may result in oil leak. 5. Combine the rod end section, so that a rod boot might not be twisted. If a rod boot is installed with being twisted when installing a cylinder, it will cause a rod boot to fail during operation. 6. The base oil of grease may seep out. The base oil of grease in the cylinder may seep out of the tube, cover, or crimped part depending on the operating conditions (ambient temperature 40°C or more, pressurized condition, low frequency operation). 7. The oil stuck to the cylinder is grease. 8. When rod end female thread is used, use a thin wrench when tightening the piston rod. 9. When using a rod end bracket, make sure it does not interfere with other brackets, workpieces and rod section, etc. Precautions Handling Weights (kg) Bore size (mm) 20 25 32 40 Basic weight Basic (Double-side bossed) 0.16 0.25 0.32 0.65 Axial foot 0.31 0.41 0.48 0.92 Flange 0.22 0.34 0.41 0.77 Trunnion 0.20 0.32 0.38 0.75 Additional weight per 50 mm of stroke 0.06 0.09 0.13 0.19 Option bracket Single knuckle joint 0.06 0.06 0.06 0.23 Double knuckle joint (with pin) 0.07 0.07 0.07 0.20 Calculation: (Example) CM2WL32-100Z O Basic weight・・・・・・・・・・・・・・・・・・・・0.48 (Foot, o32) O Additional weight・・・・・・・・・・・・・0.13/50 stroke O Cylinder stroke・・・・・・・・・・・・・・・・100 stroke 0.48 + 0.13 x 100/50 = 0.74 kg 28 Air Cylinder: Standard Type Double Acting, Double Rod Series CM2W CM2Q CBM2 CM2�ｮP CM2RK CM2R CM2K CM2KW CM2K CM2 CM2W CM2 Low Friction With End Lock Centralized Piping Direct Mount, Non-rotating Rod Direct Mount Non-rotating Rod Standard Double Acting, Single Rod Double Acting, Single Rod Double Acting, Single Rod Double Acting, Single Rod Single Acting, Spring Return/Extend 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