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CALCULATOR - convert units easily.

 kN  kp  lbf

DA Type direct acting presses:

Your selected press: DA 850-40-100 (Round ram, Type: DA)

Capacity [kN]:  8,5
Total Stroke [mm]:  40
Working Stroke [mm]:  0
Throat [mm]:  100
Troat [mm]:  0
Table size CxD [mm]:  185 x 145
T-slot [mm] similar to DIN 650:  12
Ram bore Øxdepth [mm]:  20H7 x 25
Ram Ø [mm] / Surface F [mm²]:  40
Space required CxG [mm]:  185 x 300
Weight [kg]:  65
catalogue page:  Download
Item No.: Description: Daylight (min): Daylight (max): Overall dimensions (PDF): 3D file (STEP):  
5-008-04-9510 DA 850-40-100 60 285 Download ask for

DA presses are the logical implementation of modern press technology for direct-acting pneumatic presses. Due to their modular design, exactly the size needed for the application can be selected, thus optimising the price/performance ratio.

DA type direct acting pneumatic presses are available in various sizes with capacities of 1,5 kN - 34 kN and throats up to 300 mm. Standard stroke lengths from 40 mm to 120 mm are available in 20 mm steps.

Adjusting the stroke of DA presses: DA presses are fitted as standard with an innovative, precise and easy-to-use system which enables accurate stroke adjustment and protects the ram against twisting. Operation:
  • The press depth can be adjusted to a reading accuracy of 0.01 mm over maximum 80mm of the stroke length with only one scale nut. The stroke length can be read off using the side scale and the vernier on the scale nut.
  • The position of the ram can be checked by means of reed contacts which are slid onto the standard scale.
  • The sensors do not have to be readjusted when the stroke length is changed, as the stroke length control magnets always move to the same end positions.


Tandem cylinders The energy-efficient tandem cylinder design is used for larger forces from 8,5 kN on. Several pneumatic cylinders are connected in tandem thus increasing the force of the cylinder accordingly. The air consumption is optimised, as the return stroke is only via one cylinder chamber. The press can be operated using only two air connections, as the air is channelled within the pneumatic cylinder.

All direct acting pneumatic presses are available as an automation module or can be supplied with mäder controls for individual workstations..


The round ram of mäder pressen is characterized by high sturdiness, ground surface and precise ram bore. Tools can be fixed securely in the ram bore by means of a fixation screw. Round rams of mäder pressen are either guided in precision honed bores or in precise Teflon bushings.

Quality features:
  • anti-twist protected ran
  • Right-angled gearbox for simple height adjustment of the press head
  • Side-mounted measuring strip for fast reproduction of settings when changing the tool
  • Practically maintenance-free double-acting cylinder
  • Adjustable cylinder end-position damping
  • Low noise: less than 75 dB






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