7MPa Hydraulic Cylinder 70H-8R Series/ Double-acting Single-rod (Switch-Set)
Switch Code
Sectional Drawing
Description of term
Product Lineup Click the icon as follows, to check the details.
Rod Diameter Bore(mm)
32 40 50 63 80 100 125 140 150 160 180 200 224 250
B 70H-8R1SD32BB100-AB00 70H-8R1SD40BB100-AB00 70H-8R1SD50BB100-AB00 70H-8R1SD63BB100-AB00 70H-8R1SD80BB100-AB00 70H-8R1SD100BB100-AB00 70H-8R1SD125BB100-AB00 70H-8R1SD140BB100-AB00 - - - - - -
C - 70H-8R1SD40CB100-AB00 70H-8R1SD50CB100-AB00 70H-8R1SD63CB100-AB00 70H-8R1SD80CB100-AB00 70H-8R1SD100CB100-AB00 70H-8R1SD125CB100-AB00 70H-8R1SD140CB100-AB00 - - - - - -
A - 70H-8R1SD40AB100-AB00 70H-8R1SD50AB100-AB00 70H-8R1SD63AB100-AB00 70H-8R1SD80AB100-AB00 70H-8R1SD100AB100-AB00 70H-8R1SD125AB100-AB00 - - - - - - -

Specifications
Action Style Double-acting Single-rod/Switch Set
Available Bores(mm) 32,40,50,63,80,100,125,140
Mounting Type SD/LA/LB/LC/FA/FB/FY/FE/FZ/FC/FD/FK/CA/CS/CB/TA/TC
Rod Dia. Type B C A
Norminal Pressure 7MPa
Max. Working Pressure Rod Side 13.5MPa 11MPa 15MPa
Head Side 9MPa
Proof Test Pressure 10.5MPa
Min. Working Pressure Rod Side more than 0.45MPa more than 0.4MPa more than 0.6MPa
Head Side 0.3MPa
Operating Speed Range 32 to 63:8 to 400mm/s 80 to 125:8 to 300mm/s 140:8 to 200mm/s
Operating Temperature AX : -10 to +70 ºC WR/WS : -10 to +60 ºC(But do not use when frozen)
Cushion Mechanism Metal fitting type
Working Fluid Petroleum-based fluid
(For other working oil, refer to the table of working oil adaptability.)
Thread Tolerance JIS 6g/6H
Standard Stroke 32 : 50: to 1200mm 63/80: to 1600mm 100 to140: to 2000mm
Stroke Tolerance
Accessories Rod End Attachment Rod End Eye(T type)/Rod End Spherical Eye(S type)/Rod End Clevis(Y type)/F Joint
Boots Standard:Nylon tarpaulin Semi-standard:Chloroprene/Conex
Note)

Hydraulic pressure that is generated in cylinder due to the inertia of load shall be set at less than the maximum allowable pressure.
Conex of boots is the registered trade mark of Teijin,Ltd.

Switch Mountable Minimum Stroke
Bore
(mm)
Types other than TC type TC type
With a switch With two switches With a switch With two switches
AX
AX205W
WR WS AX
AX205W
WR WS AX
AX205W
WR WS AX
AX205W
WR WS
32 20 45(35) 45(35) 25 45(35) 45(35) 50 70(60) 75(65) 110 155(135) 165(145)
40 115
50 40(30) 45(35) 40(30) 45(35)
63 40(30) 40(30) 85(75) 85(75) 125 170(150) 175(155)
80 130
100 35(25) 40(30) 35(25) 40(30) 65 95(85) 135 175(150) 190(170)
125 40(25) 40(25) 70 90(80) 150 185(160) 195(170)
140 - - - - 95 - - 175 - -
Note)

For the TC type (with a switch), the cylinder strokes in case that the TC type attachment shown in the below figures are positioned in the place other than the center are shown in the table above.
For the minimum PH dimension at the switch mounting, refer to the dimensional drawings of theTC type.
The dimensions in the ( ) markes of the WR and WS types are the minimum strokes at the mounting of the WR515, WS225-1.


Allowable Fluid, Seal Material
Seal Material Allowable Fluid
Petroleum-based Fluid Water-Glycol Fluid Phosphate-Ester Fluid Water in Oil Fluid Oil in Water Fluid
1:Nitrile rubber
2:Urethane rubber
3:Fluoric rubber
6:HNBR
Note1) The -marked items are applocable,while the -marked items are inapplicabe.
Note2)

The -marked items are the recommended packing materials in case of giving the first priority to abrasion resistance.

Copyright(c)2004 TAIYO,LTD. All rights reserved.