ERON

LOCK-TIGHT PRECISION MACHINE VISES

Feature

  • The sliding jaw and workpiece are prevented from lifting up by an anti-floating mechanism.
  • Made of ductile cast iron, preventing bending and breakage during tightening.
  • Sliding parts have been flame heat treated (HRC45) and offer excellent wear resistance.
  • High accuracy that surpasses the former JIS standards grade.
  • Even in the rare case that it becomes worn out, it can be dismantled and the accuracy can be restored easily.
  • Parallel accuracy of matched specification products is within .1.

Accessories

Standard guide block (2 pieces per set) compatible groove width 18 mm … 1 set
Handle … 1 piece
Suspension bolt … 2 pieces (LT25M and LT25MG only)

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Dismantled Section Drawing

 

Ordering Parallel Products

(A and B can be aligned within 0.01 no matter how many pieces)
If the suffix of the manufacture no. (attached to the outer box and main body) is the same letter, then the product are parallel no matter how many pieces (for standard guide blocks). There is no charge for parallel products.

◆When purchasing for the first time
Order matched specification products (suffix G) When ordering, specify the groove width of the machine you are using.

◆For additional orders
Contact us with the suffix letter of the manufacture no. (stamped on the name plate) and the guide block width of a vise that you have.

 

Increasing the Jaw Opening

A large jaw opening can be obtained by changing the jaw plate positions.

◆Jaw opening depending on the jaw plate attachment position

LT100M 0 – 102 48 – 150 115 – 217 163 – 265
LT125M 0 – 112 56 – 168 140 – 252 196 – 308
LT150M 0 – 143 63 – 206 160 – 303 223 – 366
LT200M 0 – 190 85 – 275 199 – 389 284 – 474
LT250M 0 – 248 110 – 358 233 – 501 366 – 614

◆How to move the jaw plates

 

Accuracy Standards (Static Accuracy)

No. Inspection Points (per 100 mm) Former JIS
Standard
(O Grade)		 Nabeya
SPEC
1 Parallelism between bottom surface of main body and sliding surface 0.015 0.010
2 Perpendicularity between jaw plate and sliding surface (smaller than right angle) 0.030 0.015
3 Perpendicularity between T-slot and jaw plate surface of stationary jaw side. 0.015 0.010
4 Parallelism between T-slot and jaw plate surface of stationary jaw side. 0.015 0.010
5 Parallelism between bottom surface of rotating table and sliding surface 0.020 0.015
6 Parallelism between the bottom surface and top surface of the rotating table – 0.010
(Clamping Accuracy)
7 Parallelism between top surface of clamped test block and bottom surface of main body 0.020 0.015
8 Parallelism between top surface of clamped test block and bottom surface of rotating table 0.030 0.020
9 Lift-up of top surface of test block when clamped 0.030 0.015

Type Order No. No. Jaw

Width

 Jaw

Depth

 Jaw

Opening

 Standard

Guide

Block

Width

 Clamping

Force

kN

 Weight

(kg)
M 932101 LT100M 101 32 102 18 40 16
M 932102 LT125M 126 38 112 18 40 25
M 932103 LT150M 151 44 143 18 40 36
M 932104 LT200M 202 57 190 18 40 65
M 932105 LT250M 253 75.5 248 18 50 135
MG(Matched Specification) 932446 LT100MG 101 32 102 18 40 16
MG(Matched Specification) 932447 LT125MG 126 38 112 18 40 25
MG(Matched Specification) 932448 LT150MG 151 44 143 18 40 36
MG(Matched Specification) 932449 LT200MG 202 57 190 18 40 65
MG(Matched Specification) 932450 LT250MG 253 75.5 248 18 50 135

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