MTS Nut Grips User Manual
Bolt Grips andNut Grips
http://support.mts.com
MTS Fundamental™
Accessories
100-230-712A
Copyright information 2010 MTS Systems Corporation. All rights reserved.
Declaration This manual describes all the available MTS fastener fixtures. The actual fixtures
supplied to the customer depend on the specs and types of specimen and relevant
standards stated in the purchase contract. Refer to Appendix A in fixture
purchasing and usage.
Trademark information MTS is a registered trademark and MTS Fundamental is a trademark of MTS
Systems Corporation within the United States. These trademarks may be
protected in other countries.
Publication
information
MANUAL PART NUMBER PUBLICATION DATE
100-230-712A January 2011
2
Contents
Introduction 5
Component Identification 6
Safety 11
Installation 17
Operation 21
Bolt Tests 21
Proof Load Test for Nuts 26
Tests for Other Types of Specimens 29
Appendix A 31
MTS Fundamental™ Bolt Grips and Nut Grips
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4
MTS Fundamental™ Bolt Grips and Nut Grips
Introduction
The MTS Fundamental fixtures are designed for tension, proof load ,and wedge
load tests of bolts and nuts.
Thread Specifications Table
P
ART NUMBER THREAD SPECIFICATIONS
F-JLL305A1
F-JLL305A2
F-JLL605A1
F-JLL605A2
F-JLL106A1
F-JLL106A2
The bolt length (l) should be no less than 3 times of the nominal diameter of bolts
(d), l≥3d.
The fixtures can perform tension, proof load and wedge load tests specified by
the following standards:
• GB/T 1231-2006 Specification of hexagon bolts, hexagon nuts, and plain
washers for high strength structural bolting with large width across flats.
• GB/T 3098.1-2000 (idt ISO 898-1 :1999) Mechanical properties of fasteners
– Bolts, screws and studs.
• GB/T 3098.2-2000 (idt ISO 898-2 :1992) Mechanical properties of fasteners
– Nuts – Coarse thread.
M5 to M20
M5 to M24
M5 to M30
• GB/T 3098.4-2000 (idt ISO 898-6 :1994) Mechanical properties of fasteners
– Nuts – Fine pitch thread.
• ASTM F606-07 Internally Threaded Fasteners, Washers, Direct Tension
Indicators, and Rivets.
MTS Fundamental™ Bolt Grips and Nut Grips Introduction
5
Component Identification
The fixture consists of two assemblies: upper assembly indicated by Figure 1 and
Figure 2; Lower assembly indicated by Figure 3 and Figure 4. The wedge faces
(Part 3) have markers for pairs, use wedge faces which have same markers
together.
Figure 1 Parts of Upper Assembly
(F-JLL605A1/ F-JLL605A2/ F-JLL106A1/ F-JLL106A2)
Parts of Upper Assembly
C
ALLOUT DESCRIPTION
1
2
3
4
5
6
7
8
9
Upper Joint
Upper Protection Plate
Wedge Faces
Square Nut
Leading Block 1
Leading Block 2
Leading Block 3
Allen Screw M6×16
Hexagon Spanner (5mm)
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Introduction
MTS Fundamental™ Bolt Grips and Nut Grips
Figure 2 Parts of Upper Assembly
(F-JLL305A1/ F-JLL305A2)
Parts of Upper Assembly
C
ALLOUT DESCRIPTION
1
2
3
4
5
6
7
8
Upper Joint
Upper Protection Plate
Wedge Face
Leading Block 1
Leading Block 2
Leading Block 3
Allen Screw M6×16
Allen Screw M5×16
MTS Fundamental™ Bolt Grips and Nut Grips Introduction
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Figure 3 Parts of Lower Assembly
(F-JLL605A1/ F-JLL605A2/ F-JLL106A1/ F-JLL106A2)
Parts of Lower Assembly
C
ALLOUT DESCRIPTION
1
2
3
4
5
6
7
8
9
Lower Joint
Lower Protection Plate
Wedge Face
Square Nut
Leading Block 4
Leading Block 5
Leading Block 6
Allen Screw M6×16
Hexagon Spanner (5mm)
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Introduction
MTS Fundamental™ Bolt Grips and Nut Grips
Figure 4 Parts of Lower Assembly
(F-JLL305A1/ F-JLL305A2)
Parts of Lower Assembly
ALLOUT DESCRIPTION
C
1
2
3
4
5
6
7
8
Lower Joint
Lower Protection Plate
Wedge Face
Leading Block 4
Leading Block 5
Leading Block 6
Allen Screw M6×16
Allen Screw M5×16
MTS Fundamental™ Bolt Grips and Nut Grips Introduction
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10
Introduction
MTS Fundamental™ Bolt Grips and Nut Grips
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