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Threaded-body cylinders

Hydraulic cylinders and hydraulic pistons for screwing in

 

single acting with spring return

double acting

piston diameter: 8 .. 50 mm
rod diameter: 5 .. 25 mm
stroke: 4 .. 40 mm
max. push force: 2.5 .. 62.8 kN
max. operating pressure: 160 .. 500 bar

Series Data sheet Technical data
B1.4301
B1.4301
show
B1.4301 Threaded-body cylinders

 

single acting with spring return

with wiper

short version

max. operating pressure 500 bar

piston diameter: 8 .. 32 mm
rod diameter: 5 .. 20 mm
stroke: 4 .. 16 mm
max. push force: 2.5 .. 40 kN
external thread: M16 .. M42

B1.450
B1.450
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B1.450 Threaded-body cylinders

 

single acting with spring return

with wiper

max. operating pressure 500 bar

piston diameter: 12 .. 32 mm
rod diameter: 8 .. 20 mm
stroke: 8 .. 16 mm
max. push force: 5.6 .. 40 kN
external thread: M20 M42

B1.458
B1.458
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B1.458 Threaded-body cylinders

 

single acting with spring return

max. operating pressure 160/500 bar

piston diameter: 8 mm
rod diameter: 5 mm
stroke: 5 and 10 mm
max. push force: 2.5 kN
external thread: M12

B1.459
B1.459
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B1.459 Threaded-body cylinders

 

single acting with spring return

with wiper

max. operating pressure 160/500 bar

piston diameter: 8 mm
rod diameter: 5 mm
stroke: 10 mm
max. push force: 2.5 kN
external thread: M16

B1.460
B1.460
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B1.460 Threaded-body cylinders

 

single acting

with spring return

max. operating pressure 500 bar

plunger design
piston diameter: 12 .. 32 mm
stroke: 10 .. 20 mm
max. push force: 5.7 .. 40 kN
external thread: M22 .. M48

B1.461
B1.461
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B1.461 Threaded-body cylinders

 

single-acting with spring return

and double wiper

max. operating pressure 500 bar

plunger design
piston diameter: 12 .. 32 mm
stroke: 10 .. 20 mm
max. push force: 5.7 .. 40 kN
external thread: M22 .. M48

B1.462
B1.462
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B1.462 Built-in pistons

 

single acting

with spring return

max. operating pressure 250 bar

plunger piston
piston diameter: 25 .. 50 mm
stroke: 8 and 12 mm
max. push force: 12.2 .. 48.7 kN
external thread: G1/8 .. G1/2

B1.464
B1.464
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B1.464 Threaded-body cylinders

 

short stroke

single acting with spring return

max. operating pressure 500 bar

plunger design
piston diameter: 20 .. 32 mm
stroke: 4 and 8 mm
max. push force: 15.7 .. 40.2 kN
external thread: M38 .. M56

B1.470
B1.470
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B1.470 Threaded-body cylinders

 

double acting

max. operating pressure 500 bar

piston diameter: 16 ..40 mm
rod diameter: 10 .. 25 mm
stroke: 16 .. 40 mm
max. push force: 10.0 .. 62.8 kN
external thread: M26.. M60

B1.711-1
B1.711-1
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B1.711 Threaded-body cylinders with locking piston

 

single acting

with spring return

max. operating pressure 500 bar

Threaded-body cylinders
max. clamping force: 5 kN
max. retention force: 10 kN
max. load force: 24.5 kN
piston diameter: 20 mm
stroke: 10 mm

show
figure 1: double-acting threaded-body cylinders B1.470
 
show
figure 2: threaded-body cylinder with locking piston B1.711
 

Threaded-body cylinders are directly screwed into a base body.
Hydraulic oil is fed through drilled channels. Thus exposed pipes and fittings are omitted.

Threaded-body cylinders are normally single-acting hydraulic cylinders with spring return.
The incorporated return spring retracts the piston in depressurised mode.
Single-acting threaded-body cylinders with spring return must not be subjected to a load in retracted position.

There are different versions of threaded-body cylinders with standard hydraulic piston and in plunger design.

Special versions:
Double-acting threaded-body cylinders B1.470 (figure 1)

Threaded-body cylinders with locking piston B1.711 (figure 2)
Threaded-body cylinders with locking piston are single-acting plunger cylinders, similar to the design of the cylinders as per data sheet B1.461.
When pressurising the element, the piston will be expanded and locked in the cylinder body. The admissible load force of the piston is five times higher than the clamping force of the piston.
Thus workpieces can be clamped as well as supported.

 

Seal kits
for hydraulic elements

data sheet S0.001

show
figure 1: contact bolts and coupling pins
 

Contact bolts and coupling pins (figure 1)
for piston rods with internal thread
data sheet G.3800

 
show
figure 1: multiple clamping fixture
 
show
figure 2: threaded-body cylinders with swivel contact bolt
 
show
figure 3: workholding with the use of reversing levers
 
show
figure 4: threaded-body cylinders in a multiple clamping bar
 
show
figure 5: threaded-body cylinders as pull-type cylinders
 
show
figure 6: injection mould
 

Application example 1 (figure 1)
Multiple clamping fixture for clamping of small parts. The cylinders can be arranged in clamping bars or yokes.

Application example 2 (figure 1)
This multiple clamping fixture is equipped with threaded-body cylinders with swivel contact bolts. The 3° incline of the threaded-body cylinders effects a low-clamping force of approx. 5 % of the clamping force. On plane clamping surfaces swivel contact bolts obtain little surface pressure on the effective points.

 

 

 

 

Application example 3 (figure 3)
Workholding with the use of reversing levers is particularly suited for workpieces which have to be clamped high above the fixture base plate. The force-loop closed within a limited fixture component space eliminates bending forces from entering the fixture base plate. The reversing lever allows easy adaptation of the lever ratio to the clamping force required.

 

 

 

 

Application example 4 (figure 4)
Double-acting threaded-body cylinders in a multiple clamping bar for a welding fixture. Contact bolt with coupling pin (see data sheet G3.800)

 

 

Application example 5 (figure 5)
Double-acting threaded-body cylinders as pull-type cylinders for a multiple clamping fixture to mill a wrench flat.

Application example 6: Injection mould (Bild 6)

Special feature
Mould a rectangular nozzle with cross hole.

Design solution
Mould rectangular nozzle by inclined mould release trigger (2).
Mould cross hole by mounted threaded-body cylinder (5) in slide (2).

Cycle (portrayed in simplified terms)
1. Mould closed, substance injected
2. Threaded-body cylinder (5) moves out of the mould
3. Mould opens (the slide operates, the nozzle is free)
4. Workpiece will be removed from mould
5. Mould closes
6. Threaded-body cylinder (5) moves into the mould
1. New cycle

Advantage

  • Less movable parts
  • Higher safety of the function sequence
  • Saving of the wearing parts
  • Only one guide
  • Integrated oil supply within the slide

Disadvantage

  • Environmental temperature up to max. 180 °C
  • Cycle time a little bit longer