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Arnold MB2 Mechanical (high pressure)

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Arnold MB2 Mechanical (high pressure)

Manufacturer: Fresmak
Country: Spain
Delivery time: 4-5 days
Brochure: arnold-mb2-mechanical.pdf

Quick Overview

Arnold MB2 Mechanical high pressure manual vices for vertical machining centres

High pressure Arnold MB2 vices, maintain their length ireespective of the size of the workpiece, being especially ideal for the use in machining centres.

  • Main components in nodular cast iron GGG70.
  • Suitable for working in vertical machining centres.
  • 0.01 mm clamping repeatability.
  • Fitted with high pressure mechanical intensifier.
  • Does not require any maintenance, as long as the optimal coolant liquids are used.
  • Double spindle protection: It has a spiral spring in front and a protection plate clamped to the spindle shoe behind.
  • Clamping force is 4 tons.
  • Permanent clamping force avoids repositioning the work-piece one day to the next.
  • Ideal for long lasting machining.
  • Optional power regulator.
  • Side windows to enable the interior cleaning of the vices.
 Interchangeable jaws
  • Designed to work with interchangeable jaws
  • Standard jaws can be placed in two positions, obtaining great capacity for a reduced total dimension.
  • Clamping field up to 330 mm
  • Possibility of working with soft jaws in accordance with the geometrical requirements of the work piece.
  • Can be clamped to the table either by the four standard flanges incorporated or by using four screws in the inside of the body.
  • 5X 125M high jaws available.

 Clamping possibilities


Arnold MB2 Mechanical
060 121 125

Arnold MB2 Mechanical with regulator

060 131 125
Clamping force (kg)
Weight (kg)
Clamping field 01
Clamping field 02
100 - 0.02
161 + 0.02
20 H7
0 - 250
80 - 330
100 - 0.02
161 + 0.02
20 H7
0 - 250
80 - 330

 Set supplied
  ● base body
  ● mechanical spindle
  ● 1 set of plain jaws
  ● 1 handle
  ● 4 end clamps
  ● instruction manual
Accessories and spare parts

Extra spindle
Adjustable stop

Advantages of High Pressure

Fresmak is dedicated to the manufacture of clamping solutions and high pressure vices. The advantages of high pressure are considerable.

High pressure produces intense force therefore the work-piece is very well clamped.
This enables greater feed cut, depth and milling.
Thanks to this force intensifier, pressure can be obtained with the least effort.
Irrespective of the operator the same clamping force is always obtained. This constant repetitive pressure enables greater clamping precision and positioning of the work-piece.

High pressure clamps do not imply any wear on the vice parts because the movement is axial.
On a traditional vice more force is obtained by rotating the spindle and as such the spindle supports the pressure made on the work-piece. This means a lot of wear on the thread (spindle). This is not the case with high pressure, It is the pushrod which makes the force, using an axial movement, and thus does not support much force and the spindle itself, none.
High pressures vice spindles support less wear, and as such have a much longer lifespan.
High pressure vice manufacture is very precise. Height, distances between points, finishes, milling, grinding, tempering, hardnesses are all carefully controlled and tested to offer maximum performance on the machines where they will be used.

Mechanical spindle

The intensifier system on these spindles is based on a series of elements which as one supports the others, are able to obtain a power intensifying effect by means of a handle (not reaching 2.5 kg x m).
The basic principles of this system are wedge and roll.
The mechanical spindle is easy to assemble and disassemble and needs practically no maintenance, making it a long-lasting system like no other.

Regulator (presetting power control)

This part offers the possibility of step regulation of the pressure to be used before starting the job, and thus obtaining the repeatability of the clamping force required.

Common characteristics and materials

The main body, the moveable jaw and the spindle shoe are manufactured in cast nodular pearlite GGG 70, providing it with high resistance to breakage and fatigue. In addition, due to the molecular structure it is ideal for absorbing vibrations, which are produced during machining and, as it is more stable in time, enabling ARNOLD vices to keep their shape for more than 20 years.

All Fresmak vices have two longitudinal and transversal key slots (20H7) perfectly machined and perpendicular, which means that they can be rapidly fitted on machining tables without the need for a comparator clock and with the possibility of placing several perfectly aligned clamps.

The vice jaws are constructed in F-5220 - 100MnCrW4 tempered at 60 Hrc, enabling them to withstand high pressure action without deformation and are resistant to the action of swarf, and protected from being dented by swarf.

Similarly, as the guides are tempered by induction of flame hardening and ground to improve the positioning of the work-piece and the sliding of the moveable jaw. This method makes them sufficiently hard so as not to suffer any damage during even the most abrupt machining, nor will they be affected by swarf, acids or cutting fluids.

All Fresmak vices are identified with an individual production number and all measurements are documented at the factory, assuring precision on repeat orders.

Additionally, all the bodies incorporate laterally threaded holes to fit the adjustable stops that the work-piece requires (a standard adjustable stop can be supplied).

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Art.Nr.Product Name Price Qty
060121125 Arnold MB2 Mechanical vice 125
SKr 0.00
060131125 Arnold MB2 Mechanical vice with regulator 125
SKr 0.00
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