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Medium bore size cylinder CMK2

Medium bore size cylinder CMK2
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Series variation Medium bore size cylinder CMK2 Series CMK2 Series Series variation Double acting Single acting extend type Clevis bracket Push-in joint straight Single acting retract type Copper and PTFE free Accessory Piston rod material change Push-in joint elbow Head side trunnion type Rod side trunnion type Clevis bracket type :Custom order Option Eye bush press fitted type Standard stroke length (mm) Bore size Head side flange type Rod side flange type Axial foot type single Axial foot type both sides Mounting style Basic type Custom stroke length (per mm) Double acting stroke adjustable CMK2-P type (extended) Double acting stroke adjustable type (retracted) Double acting heat resistance type Double acting rubber-air cushioned Double acting air cushioned Double acting position locking type Double acting back to back type CMK2-B Double acting non-rotating type CMK2-M Double acting flow control valve integrated type CMK2-Z Double acting low CMK2-H hydraulic type Double acting coolant proof type CMK2-G2/G3 Double acting fine CMK2-F speed type Double acting double rod type Medium bore size cylinder Standard type Note 3 Note 3 Note 1: Available when rod side position locking is selected. Note 2: Available when head side position locking is selected. Note 3: Available for G2.

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Variation and option selection table : Option : Manufacturing available (custom order) : Available depending on conditions (consult with CKD.) : Not available Port Cushion thread Double acting basic type Single acting extend type Single acting retract type Double acting double rod type Back to back type Stroke adjustable type (extended) Stroke adjustable type (retracted) Position locking Non-rotating type Air cushioned Flow control valve Low hydraulic type Heat resistance type (120 ) Fine speed type Coolant proof scraper type (NBR) Coolant proof scraper type (FKM) NPT G Cushion Rubber-air...

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CMK2 Series Variation/option selection table Bore size Stroke length Option * Indicate symbols from left to right on the left table. Port thread type * Indicate symbols from left to right on the left table. Model no.: Double acting standard type Variation: Double rod, coolant proof scraper type Mounting style: Both sides foot type B Bore size: 40 mm C Port thread type: Rc thread A Stroke length: 50 mm E Switch model no.: Coolant proof, lead wire length 3 m. F Switch quantity: 2 piece Option: None H Accessory: Rod clevis MVC SMD2 MSD* FC* STK ULK* JSK/M2 JSG JSC3 USSD USC JSB3 LMB STG STS/L...

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Pneumatic components Safety precautions Always read this section before starting use. Refer to Intro 71 for general notes of cylinders and Intro 78 for cylinder switches. Medium bore size cylinder CMK2 Series Design & Selection 1. Fine speed type CMK2-F (Note 2) When installed vertically, the unit will drop naturally if the meter-in circuit is used. Use the meter-out circuit in this case. CAUTION Use this product without lubrication. Lubrication may change characteristics. Install a flow control valve close to a cylinder. If this is installed away from a cylinder, adjustment will be...

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2. Coolant proof type CMK2-G2/G3 Do not apply the deviated load onto the piston rod. It could shorten scraper and bearing life. If coolant or water do not get on the piston rod, select the G or G1 Series. If coolant or water do not get on the G2 or G3 series, piston rod lubrication could be spent and shorten life. Install a flow control valve on the cylinder. Install a flow control valve on the cylinder. Use within the applicable piston speed range for each cylinder. 3. Position locking type CMK2-Q WARNING Side without locking mechanism SCG Port B Side without locking mechanism If a quick...

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Tighten lock-nut with the tightning torque in the table 1 securely after stroke adjustment. Failure to observe this may lead to loose of lock-nut during operation and result in external leakage. Table 1 Tightening torque Unit: N·m Bore size CMK2-P (extended) CMK2-R (retracted) 20 15.8 11.9 25 33.4 37 32 33.4 37 40 55.8 37 Stud bolt sealing cannot be used with high frequent operation because a seal washer is used. A long and narrow pipe installed on the locking mechanism side or a flow control valve apart from a cylinder port may reduce an exhaust speed. This may result in a long time until...

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CMK2 Series Precautions The switch bracket rail has a mark 4 mm from the rail end. Use this as a guide to the mounting position when replacing the switch. Switch rail markings are set to the default switch maximum sensitivity. Maximum sensitivity changes when the switch type is changed or when the switch bracket is moved. Adjust the position accordingly. After operating locking mechanism manually, always return the manual override to the original position. Do not operate the manual override except adjustment. It is dangerous. Release the lock when installing or adjusting the cylinder. The...

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Medium bore size cylinder Double acting single rod type Double acting cylinder single rod type Specifications Descriptions CMK2 20 25 32 40 Bore size mm Double acting Actuation Compressed air Working fluid 1.0 Max. working pressure MPa 0.1 Min. working pressure MPa 1.6 Withstanding pressure MPa -10 to 60 (no freezing) Ambient temperature Rc1/8 Port size +2.0 (up to 200), +2.4 (over 200) Stroke tolerance mm 0 0 50 to 500 Working piston speed mm/s Rubber cushion Cushion Not required (when lubricating, use turbine oil Class 1 ISO VG32.) Lubrication 0.166 0.308 0.424 0.639 Allowable energy...

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Switch specifications * The T0/T5 switch can be used with 220 VAC. Contact CKD for working conditions. 1 color/2 color indicator Proximity 2-wire Output method Power voltage Load voltage Load current Light Leakage current T3H/ T3PH/T3PV T3YH/ CKV2 TOH/TOV T5H/T5V T8H/T8V T3V (Custom order) T3YV CA/OV2 Programmable Programmable Programmable controller, Programmable controller, SSD relay, IC circuit (w/o light), controller, relay serial connection relay NPN output PNP output NPN output 10 to 28 VDC 85 to 265 VAC 10 to 30 VDC 12/24 VDC 110 VAC 5/12/24 VDC 110 VAC 12/24 VDC 110 VAC 220 VAC 30...

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