Reference measuring adapters
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Before

Reference measurement is an essential process in industrial screwdriving technology, which is used in both electrically controlled spindles (EC spindles) and hand-held screwdrivers. It is used for calibration and to ensure the accuracy and precision of the screwing processes. Regular reference measurements ensure that each screw connection exactly meets the specified specifications, which is of great importance, especially in safety-critical industries such as the automotive industry.

Structure

1. Quick clamping system

2. Mounting option for angle of rotation and torque sensors

3. Screw case adapter with disc spring package

4. Screw case adapter axially adjustable

Mounting quick-release system

1. Slide the reference measuring adapter over the pre-assembled washers schieben

2. Tighten the two hexagon socket screws to fasten the reference measuring adapter

i. “Washers” permanently attached to e.g. the spindle plate befestigt

Screw case adapter

1. Housing removable, to be able to realize a different layering of the disc springs

2. Disc spring package for simulating different screw joint characteristics

3. Drive shaft with internal square, no axial movement during screwing

4. Easy regreasing via flat grease nipple using a one-hand impact grease gun

Disc spring layering

All disc springs are layered in the same direction as standard.

1. To simulate a harder screw joint, the disc springs can be replaced by tempered washers.

2. To simulate a softer screw joint, the disc springs can be layered in alternating directions.

Countermeasurement with handheld screwdrivers

1. Bosch Rexroth

2. Atlas Copco

3. AMT

4. Cleco

Countermeasurement on the spur gear

1. Quick clamping system

2. Angle of rotation and torque sensor

3. Screw case adapter

Multi-spindle adaptation

1. Removal of the screw spindles for performing the reference measurement is not required

2. Very compact design for minimum space requirements

i: Minimum spindle distance for multi-spindle adaptation:
RA50 = 30mm, RA150 = 45mm, RA400 = 62mm

Counter measurement on the angle head

WT Reference measurement

1. Screw spindles from different directions

2. Screw case adapter

3. Various adjustment options

4. Quick-change chuck for attaching the screw case adapters

5. Conveyor belt

Reference measuring adapter Stationary

1. Drive shaft with internal square, no axial movement during screwing

2. Easy regreasing via flat grease nipple using a one-hand impact grease gun

3. Disc spring package for simulating different screw joint characteristics

4. Plate for mounting the reference measuring adapter on a table

5. Housing removable, to be able to realize a different layering of the disc springs

Countermeasurement stationary

1. Reference measuring adapter

2. Angle of rotation and torque sensor

What is a reference measurement and why is it important?

Precision | Repeatability

In order to ensure consistent quality in production, EC-spindles and handheld screwdrivers work precisely and reproducibly. Reference measurements help to determine the position and torque can be precisely controlled.

Quality assurance

Faulty screw connections can lead to serious problems. Due to the calibration of the tools ensures that all screws are tightened correctly, increasing the quality and safety of the end products. safety of the end products.

Error detection | -prevention

Regular reference measurements enable the early detection of deviations and errors. This helps to avoid expensive reworking and production downtime.

Compliance with industry standards

Compliance with quality standards and norms, such as ISO/TS 16949 in the automotive automotive industry, requires precise and documented calibration processes.

Product advantages

System design & flexibility

Very compact design, therefore also suitable for multi-spindle applications

Screw case adapter for different output output lengths infinitely adjustable

Performance & ergonomics

Reference measurement IN LINE, without removing the screw spindle

Approximate simulation of hard or soft screw cases through shifting of the disk spring assembly possible

Suitable for angle of rotation and torque measurement

Suitable for installation spindles and handheld screwdrivers

Process integration & operational safety

Quick clamping system for spindle adaptation

Difference to the machine capability study (MFU)

Reference measurement

Purpose

Used to calibrate and ensure the accuracy of the spindle movements.

Frequency

Performed regularly to ensure precise positioning and force application of the spindle. guarantee.

Focus

Focuses on precise positioning and adherence to the specified tolerances for every screwdriving operation. screwing process.

MFU

Purpose

Evaluates the ability of a machine to consistently deliver high-quality results under real production conditions. deliver.

Frequency

Typically carried out at the start of a production run or after significant changes to the machine. carried out.

Focus

Analyzes the overall performance of the machine, including precision, repeatability and stability over time. over a longer period of time.

Summary

Reference measurement

Focuses on the short-term accuracy and calibration of a screwdriving spindle or a handheld screwdriver. handheld screwdriver.

Machine capability test

Evaluates the long-term performance and reliability of a machine under production conditions. production conditions.

Variant overview

Reference measuring adapter screw mounting

Description
Drive max. drive torque
Drive internal square
Compatible with angle of rotation and torque sensor

Manufacturer

Reference measuring adapters 3/8"
50 Nm
4kt-3/8"
Schatz
Burster
Checkstar Crane
Atlas Copco
Reference measuring adapters 1/2"
150 Nm
4kt-1/2"
Burster
Schatz
Reference measuring adapters 3/4"
400 Nm
4kt-3/4"
Burster
Schatz

Reference measuring adapters stationary

jh-ANr.
Designation
Drive

max. drive torque

Drive internal square
131544
Screw case adapter 3/8"
50 Nm
4kt-3/8"
131545
Screw case adapter 1/2"
150 Nm
4kt-1/2"
131547
Screw case adapter 3/4"
400 Nm
4kt-3/4"

Equipment options
Item added to quote! ✖