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MADV

Indexing chuck with manual clamping and indexing

MADV

Chucks series MADV are self-centering. In version MADV jaws clamping is manual thanks to an operating key and manual indexing system.
• made in special high resistance hardened and cementing 60HRC steel UNI18NiCrMo5, to maintain a high degree of precision, reliability and quality
• jaws slideways execution with gib allows a good sliding surface finish with possibility to recover clearances consequent to wear
• indexing movement simple and reliable: conical shutter guarantees the mechanical indexing. Indexing precision ±1’30”
• shaft guide system with two lines of big filled cylindrical pre-loaded roller radially and with a strong axial ball bearing axially
• seals against contamination by coolant, chips and dust
• constant and long lasting precision
• easy installation to the machine.
• standard with 4 indexing 90° + 1 indexing 45°. On request special indexing positions available (8×45°, 6×60°).

ADVANTAGES

• self-centering clamping
• big clamping capacity
• versions with long jaw for workpieces that need a big radius of revolution
• it can be used on every tools machine (lathe, fresatrice, etc.)
• the big jaws stroke makes really the clamping of complex profiles that couldn’t be good clamping with an automatic chuck/span>
• prototypes, samples and series also of big pieces realisation
• a central screw supported by axial sloding bearing transmits the clamping force to the jaws

ModelDiameter

mm (in)
Closing force
per jaw

N (lb)
Max. clamping
torque

Nm (in-lb)
Chuck opening

mm (in)
Chuck closing

mm (in)
Max. rotation
speed

rpm
Weight

Kg (lbs)
MADV 170C168
(6.61)
9000
(2023.28)
60
(531.06)
95
(3.74)
48
(1.89)
170016
(35.28)
MADV 180C180
(7.09)
10000
(2248.09)
80
(708.08)
100
(3.945)
55
(2.17)
160021
(46.31)
MADV 195C195
(7.68)
13000
(2922.52)
90
(796.59)
106
(4.17)
59
(2.32)
150023
(50.72)
MADV 230C230
(9.06)
14500
(3259.73)
95
(840.85)
138
(5.43)
74
(2.91)
130030
(66.15)
MADV 230L230
(9.06)
14500
(3259.73)
95
(840.85)
138
(5.43)
74
(2.91)
130032
(70.56)
MADV 250C248
(9.76)
16500
(3709.35)
115
(1017.87)
155
(6.10)
89
(3.5)
120044
(97.02)
MADV 250L248
(9.76)
16500
(3709.35)
115
(1017.87)
155
(6.10)
89
(3.5)
120046
(101.43)
MADV 275C275
(10.83)
17500
(3934.16)
120
(1062.12)
180
(7.09)
99
(3.9)
100051
(112.46)
MADV 275L275
(10.83)
17500
(3934.16)
120
(1062.12)
180
(7.09)
99
(3.9)
100054
(119.07)
MADV 315C315
(12.40)
17500
(3934.16)
120
(1062.12)
210
(8.27)
120
(4.72)
90064
(141.12)
MADV 315L315
(12.40)
17500
(3934.16)
120
(1062.12)
210
(8.27)
120
(4.72)
90069
(152.15)
MADV 350C350
(13.78)
21000
(4720.99)
140
(1239.14)
240
(9.45)
138
(5.43)
75076
(167.58)
MADV 350L350
(13.78)
21000
(4720.99)
140
(1239.14)
240
(9.45)
138
(5.43)
75080
(176.40)
The dimensions are indicative and susceptible to changes due to technical improvements. We reserve the right to make changes without notice.

Ambient temperature 5-60°C
Sound emissions (sound pressure) ≤ 70 db (A) in each direction