Darmet - Parallel Sets & V-Blocks

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V-Blocks

Type A V-Block (VZA)

Properties and application:

  • Precision v-blocks used to set elements (blanks) for machining and measurement operations
  • Hardness of working surfaces 58-62 HRC, coarseness: 0,4
  • Steel v-blocks, hardened, v-angle 90°, stirrup clamp
  • Precise, ground in pairs

Specifications:

Type A V-Block (VZA) Type A V-Block (VZA) Type A V-Block (VZA)

Type A V-Block (VZA)
ModelS
[mm]
h
[mm]
L
[mm]
H
[mm]
Dmax
[mm]
Clamping diameter
[mm]
Clamping force
[daN]
Weight
[kg]
VZ30A 55 36 40 92 6-30 Ø6 - Ø30 300 0,5
VZ33A 60 40 45 105,5 6-32 Ø6 - Ø33 300 0,8

Accuracy parameters:

ParameterTolerance
single V-blockpair
Parallelism of V-surface to the flank 0,01 0,01
Squareness of V-surface to the side surface 0,01 0,01
Parallelism between both V-surfaces 0,008 0,008

Type B V-Block (VZB)

Properties and application:

  • Precision v-blocks used to set elements (blanks) for machining and measurement operations
  • Hardness of working surfaces 58-62 HRC, coarseness - 0,4
  • Steel v-blocks, hardened, v-angle 90°, stirrup clamp
  • Precise, ground in pairs

Specifications:

Type B V-Block (VZB) Type B V-Block (VZB) Type B V-Block (VZB)
Type B V-Block (VZB)
ModelS
[mm]
h
[mm]
Hmax
[mm]
Length
[mm]
Max clamping diameter (Dmax)
[mm]
Clamping force
[daN]
Weight
[kg]
VZ50B 63,5 63,5 90 50,8 Ø35 530 3,0
VZ60B 100,0 76,0 125 76,2 Ø65 1220 3,3
V130B 152,5 127,0 211 101,6 Ø110 2280 11,5

Accuracy parameters:

ParameterTolerance
single V-Blockpair
Parallelism of V-surface to the flank 0,025 0,04
Squareness of V-surface to the side surface 0,015 0,025
Parallelism between both V-surfaces 0,015 0,025

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