LINK CLAMP CYLINDERS COMPENSATION SYSTEM /2015. Metal wiper (upon request) Compensation system. Flow control valve (upon request)

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1 CG LINK CLMP CYLINDERS Compensation system Metal wiper (upon request) VCS unclampimg control valve (upon request) Flow control valve (upon request). COMPENSTION SYSTEM LEVER CUP SPRING PIN ELSTIC RING COMPENSTION DISK CLMP RM 4 /15

2 LINK CLMP CYLINDER CG SERIES CYLINDER TYPE CG8.70 CG8.250 CG.0 CG.70 CG.250 Threaded version No No No No No Cylinder body type Cartridge Yes Yes Yes No Yes Upper flange No No No Yes Yes Double-acting version Yes Yes Yes Yes Yes Single-acting version (spring return) No No No No No Rod diameter () 8 8 Piston diameter () Total cylinder stroke () Piston clamping area (cm 2 ) Piston unclamping area (cm 2 ) Clamping oil (cm 3 ) Unclamping oil (cm 3 ) Maximum operating pressure (ar) Nominal clamping force (Kn) at maximum operating pressure* CYLINDER TYPE CG16.0 CGF32.0 CGF40.0 CGF50.0 Threaded version / M32x1.5 M40x1.5 M50x1.5 Cylinder body type Cartridge / / / / Upper flange Yes / / / Double-acting version Yes No Yes Yes Single-acting version (spring return) No Yes Yes Yes Rod diameter () 16 Piston diameter () Total cylinder stroke () Piston clamping area (cm 2 ) Piston unclamping area (cm 2 ) 2.51 / Clamping oil (cm 3 ) Unclamping oil (cm 3 ) 6 / Maximum operating pressure (ar) Nominal clamping force (Kn) at maximum operating pressure* /15 5

3 CG LINK CLMP CYLINDERS CLMPING FORCE CLCULTION The clamping force is determined by the clamp arm length and the operating pressure. The F clamping force can thus be calculated using the following formulas: C F k l p S 0 C η [kn] [kn] k, l Clamp arm dimensions [] p Pressure [bar] S Clamping area [cm 2 ] η 0.9 s a function of the operating pressure, the clamp arm length l should be limited to a minimum value. This length must not be exceeded to avoid damage to the cylinder. l min k [] R max 0 p S η -1 If the clamp arm dimensions are known, the maximum operating pressure is determined on the basis of the following formula: p adm R max 0 S η (1 + ) l k [] With single-acting cylinders, the F m spring force must be deducted from the force generated by the cylinder: l k F R C 6 /15

4 LINK CLMP CYLINDERS: EFFECTIVE CLMPING FORCE In this case, the following formulas must be used: C p S 0 - F m [] F l k C η [kn] F m Spring force [kn] k, l Clamping arm dimensions [] p Pressure [bar] S Clamping area [cm 2 ] l min k R max 0 p S η -1 [] p adm R max 0 S η (1 + ) l k [] The constants to be used in the above formulas are specified in the table below: CG8.70 CG8.250 CG CG.70 CG.250 CG16 CGF32 CGF40 CGF50 rea di bloccaggio S (cm 2 ) Pressione massima (bar) raccio di leva l (): Lunghezza leva k (): Rendimento η : Reazione R max (kn): Forza molla F m (kn): The shorter the clamp arm, the longer the reaction time R. Depending on the pressure p, there is a minimum length l min at which the R max limit value is reached. The cylinder-specific clamping force for different clamping arm lengths can be represented in a graph. /15 7

5 CG SERIES EFFECTIVE CLMPING FORCE clamping force CG8.70 CG8.250 CG.70 clamping force (kn) 3,0 2,5 2,0 1,5 1,0 0, Lim clamping force (kn) 3,0 2,5 2,0 1,5 1,0 0, Lim clamping force (kn) 4,0 3,5 3,0 2,5 2,0 1,5 1,0 0,5 83,5 43,5 23,5 13,5,5 Lim 0, Operating pressure (bar) 0, Operating pressure (bar) 0, Operating pressure (bar) clamping force (kn) CG.250 5,0 4, ,0 29 3, ,0 17 2,5 Lim 2,0 1,5 1,0 0,5 0, Operating pressure (bar) clamping force (kn) 6,0 5,0 4,0 3,0 2,0 1,0 CG Lim clamping force (kn) 0, Operating pressure (bar) 6,0 5,0 4,0 3,0 2,0 1,0 CG Lim 0, Operating pressure (bar) clamping force (kn) 6,0 5,0 4,0 3,0 2,0 1,0 CGF Lim 0, Operating pressure (bar) CGF40D CGF40S CGF50D CGF50S clamping force (kn) 7,0 6,0 5,0 4,0 3,0 2,0 1, clamping force (kn) 7,0 6,0 5,0 4,0 3,0 2,0 1, clamping force (kn) 8,0 7,0 6,0 5,0 4,0 3,0 2,0 1, Lim clamping force (kn) 8,0 7,0 6,0 5,0 4,0 3,0 2,0 1, Lim 0,0 0,0 0,0 0, Operating pressure (bar) Operating pressure (bar) Operating pressure (bar) Operating pressure (bar) 8 /15

6 CG SERIES CCESSORIES CLMP RM CG8 CLMP RM CGFM/FD/CD CLMP RM CG Ø6 f x 25 Ø6 f Ø5 f7 7 Ø6 f ±0.1 Ø8 f Ø6 f x CLMP RM CG16.0 CLMP RM CG CGF CLMP RM CGF40 CLMP RM CGF ± ± Ø6 f8 Ø6 f8 9 5x Ø E8 Ø E x ± ± Ø5.1 h7 15 Ø5.1 h Ø8 f7 Ø8 f x R /15 9

7 CG8.250 DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 250R MIN. (H7) ** M5 Ø H7 1.5 Ø R1 MX M5 METL WIPER S STNDRD EQUIPMENT 6 MIN. Ø4 MX. lternative positions EXTR 8 64 ** Piston contact surface Debur and round off any edges Ø f7 Ø Mounting screws M5x16 DIN 9/.9 grade ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. without clamp arm (order no. CG8.250N) Total 18.5 CLMP. UNCLMP. CLMP. UNCLMP /15

8 CG8.250 V DOULE-CTING LINK CLMP CYLINDER WITH COMPENSTION SYSTEM ND PNEUMTIC VLVE FOR CLMP RM POSITION CONTROL * MIN. (H7) ** M5 Ø H7 1.5 Ø R1 MX M5 METL WIPER S STNDRD EQUIPMENT rea of the pneumatic supply port of the cylinder 6 MIN. Ø4 MX. ore for the pneumatic supply (example) lternative positions EXTR Ø ** Piston contact surface Debur and round off any edges Ø f7 Ø6.5 Cylinder with compensation system If, for technical reasons, special clamps arms are manufactured in-house by the customer, HYDROLOCK will be ready to mount these clamp arms to the cylinder free of charge (recoended solution) or to provide the mounting tool for the compensation system upon request * without clamp arm (order no. CG8.250VN). Pneumatic supply: The special channel integrated into the link clamp cylinder is designed for the most different supply connections. Only a simple supply bore must be provided at any position of the fixture for this purpose. In particular with extreme complex fixtures or supports it is recoended defining the position of the pneumatic line in the planning phase. /15 131

9 CG8.70 DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 70R MIN. (H7) ** M5 Ø32 H7 1.5 Ø R1 MX M5 METL WIPER S STNDRD EQUIPMENT 6 MIN. Ø4 MX. lternative positions EXTR ** Piston contact surface Debur and round off any edges Ø32 f Ø5.5 Mounting screws M5x16 DIN 9/.9 grade. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. without clamp arm (order no. CG8.70N) Total 18.5 CLMP. UNCLMP. CLMP. UNCLMP /15

10 CG8.70 V DOULE-CTING LINK CLMP CYLINDER WITH COMPENSTION SYSTEM ND PNEUMTIC VLVE FOR CLMP RM POSITION CONTROL * ** MIN. (H7) M5 Ø32 H7 1.5 Ø R1 MX M5 METL WIPER S STNDRD EQUIPMENT rea of the pneumatic supply port of the cylinder 6 MIN. Ø4 MX. lternative positions ore for the pneumatic supply (example) EXTR Ø ** Piston contact surface Debur and round off any edges Ø32 f7 Ø6.5 Cylinder with compensation system If, for technical reasons, special clamps arms are manufactured in-house by the customer, HYDROLOCK will be ready to mount these clamp arms to the cylinder free of charge (recoended solution) or to provide the mounting tool for the compensation system upon request * without clamp arm (order no. CG8.70VN). Pneumatic supply: The special channel integrated into the link clamp cylinder is designed for the most different supply connections. Only a simple supply bore must be provided at any position of the fixture for this purpose. In particular with extreme complex fixtures or supports it is recoended defining the position of the pneumatic line in the planning phase. /15 133

11 CG.0 CD DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R M5 Ø31 H8 30 1x30 METL WIPER S STNDRD EQUIPMENT Ø28 H8 Ø Ø28.5 Ø5 lternative positions Ø31 f EXTR Piston contact surface 1 Piston retracted Ø28 f7 Ø5.5 Mounting screws M5x16 DIN 9/.9 grade. ody: Free machining steel, nitrocarburized. Lever: Coercial type. Clamp arm: C. without clamp arm (order no. CG.0CDN) Ø Total 16 CLMP. UNCLMP. CLMP. UNCLMP /15

12 CG.250 CD DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 250R 2x METL WIPER S STNDRD EQUIPMENT EXTR M8 6 Ø4 MX. M MIN Ø4 MX. ** Ø30 H7 Debur and round off any edges ** Ø6.6 Ø30 f Mounting screws M6x25 DIN 9/.9 grade. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. without clamp arm (order no. CG.250CDN) Total 24 CLMP. UNCLMP. LOCC. CLMP /15 135

13 CG.250 FD DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 250R METL WIPER S STNDRD EQUIPMENT 54.7 M EXTR M MIN Ø Ø29.8 Mounting screws M6x25 DIN 9/.9 grade. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. 18 Ø without clamp arm (order no. CG.250FDN). Total 24 CLMP. UNCLMP. CLMP. UNCLMP /15

14 CG.250 FM DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 250R EXTR M6 METL WIPER S STNDRD EQUIPMENT 54.7 Ø8 H M8 64 Ø8 H Ø29.8 Ø8 H7 Mounting screws M6x25 DIN 9/.9 grade. Hydraulic plug connector Ø8x. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C Ø without clamp arm (order no. CG.250FMN). Total 24 CLMP. UNCLMP. CLMP. UNCLMP /15 137

15 CG.70 FD DOULE-CTING LINK CLMP CYLINDER WITH COMPENSTION SYSTEM MX. OPERTING PRESSURE 70R 25 Ø M5 34 MIN. R1 MX Ø4 MX. 14 M EXTR Ø4 MX Cylinder with compensation system If, for technical reasons, special clamps arms are manufactured in-house by the customer, HYDROLOCK will be ready to mount these clamp arms to the cylinder free of charge (recoended solution) or to provide the mounting tool for the compensation system upon request Ø5.9 5 Ø VRF18 FLOW CONTROL VLVE (UPON REQUEST) Mounting screws M5x30 DIN 9/.9 grade. O-rings Ø4.34x3.53. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. without clamp arm (order no. CG.70FDN). without compensation system (order no. CG.70FDR). without clamp arm and without compensation system (order no. CG.70FDRN). with VRF18 flow control valve (order no. CG.70FDS). 138 /15

16 CG.70 FDV DOULE-CTING LINK CLMP CYLINDER WITH COMPENSTION SYSTEM ND CLMP RM POSITION CONTROL VLVE Ø M5 IR Ø MIN. R1 MX. Ø4 MX Ø4 MX. O-rings Ø3x1. without clamp arm (order no. CG.70FDVN). without compensation system (order no. CG.70FDVR). without clamp arm and without compensation system (order no. CG.70FDVRN). with VRF18 flow control valve (order no. CG.70FDVS). 23 Total.5 CLMP. UNCLMP. CLMP. UNCLMP /15 139

17 CG16.0 FD DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R 23.6 Ø M Ø4.8 MX. Ø4.8 MX Ø Ø EXTR VRF18 FLOW CONTROL VLVE (UPON REQUEST) Mounting screws M6x40 DIN 9/.9 grade. O-rings Ø4.34x3.53. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. without clamp arm (order no. CG16.0FDN). with VRF18 flow control valve (order no. CG16.0FDS) R39 25 Total 24 CLMP. UNCLMP. CLMP. UNCLMP /15

18 CG16.0 FDV DOULE-CTING LINK CLMP CYLINDER WITH CLMP RM POSITION CONTROL VLVE Ø IR Ø2 M Ø4.8 MX Ø4.8 MX. O-rings Ø3x1. without clamp arm (order no. CG16.0FDVN). with VRF18 flow control valve (order no. CG16.0FDVS). 27 Total 24 CLMP. UNCLMP. CLMP. UNCLMP /15 141

HYDRULIC LINK CLMP CYLINDERS Hydraulic link clamps are extremely compact clamping cylinders that generate high clamping forces at low supply pressures.

19 HYDRULIC LINK CLMP CYLINDERS Hydraulic link clamps are extremely compact clamping cylinders that generate high clamping forces at low supply pressures. The special clamp arm motion facilitates workpiece loading and unloading and is particularly suited for operation in extremely restricted space conditions. Link clamp cylinders are available in single and double-acting version (except for the CGF32.0 that comes as a single-acting cylinder only). Thanks to the special profile of the cylinder body, it can also be supplied in a closed seat by means of the 1/8 -SPP port at the bottom. In the single-acting version, the upper port is provided with an incorporated sintered filter designed to protect the cylinder chamber against the penetration of dust and chips. We recoend connecting a vent pipe that leads into an area that is free from fluids. NOTE: Due to the large clamping surfaces and the substantial pressure losses in complex hydraulic circuits composed of numerous cylinders, it may take considerably longer time to unclamp single-acting cylinders or unclamping may not be possible at all. To ensure rapid and reliable operating cycles, we recoend using doubleacting link clamp cylinders for this type of application. 142 /15

20 CGF32.0 SINGLE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R : Venting EXTR M32x1.5 Ø Ø28 f x30 2 M32x1.5 Ø Ø28 H7 Ring nut M32x1.5. vailable upon request: second M32x1.5 ring nut for mounting in unthreaded through-holes can additionally be delivered. ody: Free machining steel, nitrocarburized. Connecting link: Coercial type. Clamp arm: C. without clamp arm (order no. CGF32.0N) (58) 53±2 Ø38 18 Total oil Total 15 CLMP. CLMP /15 143

21 CGF40.o D DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R Installation example EXTR Ø46 M40x1.5 Ø37 f Ø58 30 Ø Ring nut M40x1.5. vailable upon request: second M40x1.5 ring nut for mounting in unthreaded through-holes can additionally be delivered. ody: Free machining steel, nitrocarburized. Connecting link: Coercial type. Clamp arm: C. without clamp arm (order no. CGF40.0DN) Total 19 CLMP. UNCLMP. CLMP. UNCLMP /15

22 CGF40.o S SINGLE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R : Venting EXTR Ø ± Ø46 M40x1.5 Ø37 f X30 M40x (48.5) 21.5 (70) Ø37 H7 30 Ø without clamp arm (order no. CGF40.0SN) Ring nut M40x1.5. vailable upon request: second M40x1.5 ring nut for mounting in unthreaded through-holes can additionally be delivered. ody: Free machining steel, nitrocarburized. Connecting link: Coercial type. Clamp arm: C. Total 19 CLMP CLMP /15 1

23 CGF50.0 D DOULE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R Installation example EXTR Ø70 Ø69 M50x1.5 Ø46 f Ø 23 Ring nut M50x1.5. vailable upon request: second M40x1.5 ring nut for mounting in unthreaded through-holes can additionally be delivered. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. 41 without clamp arm (order no. CGF50.0DN). Ø69 Total 24.5 CLMP. UNCLMP. CLMP. UNCLMP /15

24 CGF50.0 S SINGLE-CTING LINK CLMP CYLINDER MX. OPERTING PRESSURE 0R : Venting EXTR Ø x 11 M50x1.5 Ø (50) 80.5±3 (73) 90 M50x Ø46 f7 Ø46 H Ø 23 Ring nut M50x1.5. vailable upon request: second M50x1.5 ring nut for mounting in unthreaded through-holes can additionally be delivered. ody: Free machining steel, nitrocarburized. Lever: Quenched and Tempered steel. Clamp arm: C. 41 without clamp arm (order no. CGF50.0SN). Ø69 Total 24.5 CLMP. CLMP /15 147

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