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Arnold MAT Hydraulic (high pressure)

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Arnold MAT Hydraulic (high pressure)

Fresmak
Manufacturer: Fresmak
Country: Spain
Delivery time: 4-5 days
Brochure: arnold-mat-hydraulic.pdf

Quick Overview

Arnold MAT Hydraulic high pressure manual vices for all types of machines


Arnold MAT Hydraulic vices, maintain their length irrespective of the size of the part, being especially ideal for use in machining centres.


  • Possible working positions: supported on the base, on the side or on the head vertically.
  • Suitable for working in horizontal and vertical machining centres.
  • All surfaces ground with a parallelism and perpendicularity of 0.02 mm.
  • 0.01 mm clamping repeatability.
  • Monoblock design avoids deformations due to high pressure and offers great rigidity.
  • Side windows to enable the interior cleaning of the vices.
  • Fitted with high pressure mechanical intensfier incorporated into the spindle, which maintains the clamping force for hours.
  • The clamping force is 2.5/4/5 tons depending on the size.
  • Power regulator optional.
  • Ideal for long lasting machining.
  • Angle driver for handle clearance available.
 Semi-sphere

The Arnold MAT has a descending clamp system to avoid. that the work-piece up-lift. This is a semi-sphere installed between the moveable jaw and the spindle shoe.

When the clamping force is carried out by the spindle, this pressure is divided in two directions, one of which pulls down on the work-piece.
 Clamping possibilities

 Compensated clamp
These vices provide an enveloping clamp. The spindle does not push the moveable jaw from the end clamp, but it pulls it from the head.
This effect means that the head of the vice and the work-piece suffer less deformation stress with high pressure.

Dimensions

 

Size
090
125
160
200
Arnold MAT Hydraulic
020 200 090
020 200 125
020 200 160
020 200 200
Arnold MAT Hydraulic with regulator

020 210 125
020 210 160
020 210 200
Clamping force (kg)
A
B
B (with regulator)
C - 0.02
D
E
F
G
H
I
J + 0.02
K
L
M H7
N
Weight (kg)
2.500
300
356

75
115
91
21
20
58
55
40
130
40
20
40
16
4.000
410
460
527
100
140
126
21
24
88
112
90
210
50
20
40
35
5.000
570
620
687
110
160
161
21
24
99
112
115
250
60
20
50
70
5.000
570
620
687
110
173
201
21
24
99
112
111
250
60
20
63
93
Clampings
090
125
160
200
Clamping field 01
Clamping field 02
Clamping field 03
0 - 135
80 - 210

0 - 200
80 - 285
150 - 355
0 - 314
110 - 420
180 - 490
0 - 314
110 - 420
180 - 490



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

Jaws
Extra spindle
Angle driver

Adjustable stop
Cubes

Advantages of High Pressure

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

SAFE CLAMPING
High pressure produces intense force therefore the work-piece is very well clamped.
This enables greater feed cut, depth and milling.
INTENSIFIER
Thanks to this force intensifier, pressure can be obtained with the least effort.
REPEATABILITY
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.

ZERO WEAR
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.
DURABILITY
High pressures vice spindles support less wear, and as such have a much longer lifespan.
MANUFACTURE
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.

Hydraulic spindle

The basis of the intensifying hydraulic spindle is that it works with a closed oil cylinder. On inserting the piston into the chamber, the pressure due to the section differences or diameters intensifies with little effort. The movement is light; this is noted on turning the handle which is also smooth.

As these are hollow spindles, the force is transmitted inside the threaded spindle. Therefore this carries out only the stroke movement, and enjoys long-lasting wear as does not have to carry out any clamping force.

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
020200090 Arnold MAT Hydraulic vice 090
SKr 18,520.00
020200125 Arnold MAT Hydrualic vice 125
SKr 20,510.00
020200160 Arnold MAT Hydraulic vice 160
SKr 27,440.00
020200200 Arnold MAT Hydraulic vice 200
SKr 31,580.00
020210125 Arnold MAT Hydraulic vice with regulator 125
SKr 21,460.00
020210160 Arnold MAT Hydraulic vice with regulator 160
SKr 29,110.00
020210200 Arnold MAT Hydraulic vice with regulator 200
SKr 33,260.00
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You can also order through
our customer service
Phone:
+46 (0)8 122 094 20
Fax:
+46 (0)8 122 094 30
Email:
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