JBO EMultiCheck Manuale utente

eMultiCheck-Instruction manual

Table of Contents

INTRODUCTION .......................................................................................................... 2

1.1

Starting up ................................................................................................................................................................ 3

1.2

Switching on ............................................................................................................................................................ 4

1.3

Switching off ............................................................................................................................................................ 4

1.4

Procedure of inspection for internal threads with gauges .................................................................... 4

USING THE EMULTICHECK ........................................................................................... 5

2.1

Screwing in: .............................................................................................................................................................. 5

2.1.1

Manual mode ...................................................................................................................................................................... 5

2.1.2

Through-holes ................................................................................................................................................................... 5

2.2

Second measurement: .......................................................................................................................................... 5

2.3

Screwing out: ........................................................................................................................................................... 5

2.3.1

Manual mode ...................................................................................................................................................................... 5

DISPL Y ...................................................................................................................... 6

3.1

Basic functions ........................................................................................................................................................ 6

3.2

Ad anced functions ............................................................................................................................................... 6

3.3

Preset mode ............................................................................................................................................................. 7

3.4

Connecting the serial interface: ....................................................................................................................... 7

3.5

Special note: ............................................................................................................................................................. 7

SETTING ..................................................................................................................... 8

4.1

Setting le el 1 Rotational direction/Torque ............................................................................................... 8

4.1.1

Pattern of movement ...................................................................................................................................................... 9

4.1.2

Torques ................................................................................................................................................................................. 9

4.2

Setting le el 2, Depth measurement ............................................................................................................ 10

SSEMBLING THE B SIC DEVICE / PLUG G UGE ........................................................ 10

5.1

Screwing in the gauge slee e .......................................................................................................................... 11

CH RGER .................................................................................................................. 12

OPTION – OPER TION WITH W LL POWER SUPPLY .................................................. 12

INSTRUCTION FOR B TTERY DISPOS L...................................................................... 12

S FETY INSTRUCTIONS ............................................................................................. 13

1Introduction

The eMultiCheck is the latest development by JBO. The "e" stands for a combination of our well-

proven MultiCheck with a motorised drive which is controlled by a microprocessor.

Scope of delivery:

Fig 1: Scope of delivery

1. Basic device eMultiCheck M8 6H (Part. no. 570 001)

2. Gauge sleeve M6-M14 (Part. no. 570 004)

3. Adapter M8 6H TiCN (Part. no. 570 009)

4. Adjusting block M8 (Part. no. 570 003)

5. Charging station (see Fig. 2) (for battery operation) (Part. no. 570 002)

1. Basic device

2. 2. Gauge sleeve

3. Adapter M8

4. Adjusting block

Fig 2: Charging station for eMultiCheck

1.1 Starting up

Before the device is used for the first time, it should be fully charged in order to ensure a maximum

battery life. To do this, just push the eMultiCheck into the charging station. An indexing system on both

parts ensures that it can only be pushed in the right way round. The first time, the charging time should

be at least one hour. The device is then fully operational.

To remove from the charging station, hold the station tight and pull out the eMultiCheck.

Fig 3: Charging the eMultiCheck (for battery operation)

5. Charging station for battery

operation

1.2 Switching on

The device can be switched on by pressing one of the two buttons on its front (button A or B, Fig. 4).

The drag moment of the drive is then automatically calibrated. During calibration, the drive turns for a

short time at a constant speed. This process takes place every time the device is switched on. It is

important to remember this when the device stays screwed into a component for more than 3

minutes.

Fig 4: eMultiCheck

1.3 Switching off

The device switches off automatically after about 3 minutes when none of the buttons are pressed.

1.4 Procedure of inspection for internal threads with gauges

Application of the GO screw plug gauge

The GO thread plug gauge checks the virtual size of the internal thread. This is effected by checking

the minimum limit of the pitch diameter, taking into account pitch errors, errors in the flank angles and

deviations of form, which produce an apparent reduction of the pitch diameter of the workpiece. In

addition it checks the minimum limit of the major diameter and also whether the length of the straight

flank is sufficent, i.e. that the rounding at the root of the profile does not encroach too far upon the

flank of the thread.

!!!!! This gauge does not check the minor diameter of the workpiece thread. !!!!

The GO thread plug gauge screwed by hand, without using excessive force, shall enter the whole

length of the workpiece thread. If entry is not possible, the workpiece thread does not comply with the

specification.

Important:

Before starting, the readout has to be zeroed by pressing the SET button on the Electronics. The

DigiMultiCheck is then ready for operation.

Principle:

The zero positon of the gauge is equivalent to the middle of

the truncation of the thread, 0,5xP. This means half of the

pitch between middle of truncation and end face.

(see illustration).

End face of the gauge sleeve aligned with crest of thread at

this point.(middle of the external diameter)

Button

Button B

Button C

2Using the eMultiCheck

The eMultiCheck is operated with the two buttons on the front of the device. The blue button (button C)

at the side is used for adjustment.

2.1 Screwing in:

To begin the measuring process, press the black button (button B) on the front and the plug gauge

begins to turn slowly (phase 1).

The plug gauge is placed on the thread that needs checking. If a defined torque is exceeded, the

device assumes that the plug gauge is in the component (initial contact or thread found) and increases

the torque and the speed (phase 2).

During this phase of screwing in, if the plug gauge is blocked, it is turned back in the opposite direction

by 180°and phase 2 is started again.

After one more revolution the device accelerates again and the torque is adjusted to the set target

torque (phase 3).

When the thread depth is reached (the end) the device is switched off due to the set torque being

reached (phase 4).

In phase 4, the measured thread depth is stored in the memory and used as a reference for the next

measurement. This can be influenced with the settings (please also see the "Setting“ section).

The measured thread length can now be read off the display (the display must first be switched on by

pressing the button. Please note: the display and the motor/controls are independent of one another,

i.e. no data exchange takes place between these units).

2.1.1 Manual mode

Pressing and holding down the black button (button B) switches the device to manual mode. Here, the

device is switched over immediately to the fast speed and switched off again when the set torque is

reached.

2.1.2 Through-holes

With through-holes, when the plug gauge exits through the other side of the hole, the torque drops,

making the device switch off. This function is used for larger threads where the difference between idle

torque and load torque is large enough.

2.2 Second measurement:

In a second measurement, the sequence of phases 1-3 is the same as in the first measurement.

Before the last measured thread depth is reached, however, the speed is reduced, in order to prevent

contact at the end and to move carefully (gently) against the thread. This ideally reduces the load on

the component and the thread plug gauge.

If the thread is deeper, the speed is automatically increased again and is the same as in the normal

measuring sequence.

2.3 Screwing out:

The plug gauge is unscrewed from the component again by pressing the white button (button A) on

the front of the device. This is done by pressing the button briefly and the device stops automatically

when the plug gauge has turned back completely again. If the black button is pressed and held down,

the plug gauge turns until the button is released again. In this mode, the torque is not limited.

2.3.1 Manual mode

If the white button is pressed and held down, the device switches to manual mode. In this mode, the

device is set to the maximum torque until the button is released again.

3Display

Electronics data:

Range 4xD Power supply 1 Lithium Batterie 3V, Typ CR2032

Resolution 0,01 mm Consumption 40yA

Accuracy 40ym Battery life 5000 Stunden

Repeatability 10ym Data output RS232-kompatibles Format

Max. Plunger speed > 2m/s Operating temperature +5°bis +40°C

Measurements/second > 7s Type of enclosure IP65 (IEC 529)

3.1 Basic functions

Switch-ON:

To switch ON, press the “SET” button for a short time

Switch-Off:

To switch OFF keep “SET” button pressed for more than 3 seconds.

Set ZERO:

To reset to ZERO, press the “SET” button.

3.2 dvanced functions

(MODE) button

(SET) button

Battery cover (Cr2032)

Cover for RS 232-interface

3.3 Preset mode

Preselection of a reference value (preset)

The two reference values (REF I and REF II) can be preselected differently and up to a maximum

preset value of ± 2999.99 mm / ± 89.9995 IN.

1. Select active reference value (in reference mode).

2. Select preset mode (press and hold [mode] until the status display shows 'PRESET').

Entering the value you want to change

Press [mode] briefly one or more times to move the cursor under the number you want to change.

After the last number the cursor moves under the +/- sign again.

Changing a number

Press [set] briefly one or more times to increase the underlined number by one unit. Press and hold

the [set] button to move through the numbers automatically until the required value is reached.

Changing the preset +/- sign

Move the cursor under the sign and change the sign by pressing [set] briefly.

Confirming the preselected reference value (preset)

Press and hold the [mode] button until the 'PRESET' status display disappears.

Recommendations for use

For REF I, preselect the reference value 0.000 as a constant preset value, and use REF II for the

preselection of different reference values.

3.4 Connecting the serial interface:

To connect the serial cable (option) the cover has to be removed. The label of the connector must look

downwards to plug it in.

3.5 Special note:

- Contaminations of the device could affect the measuring process

- To clean a contaminated device please use a dry towel. If it is not sufficent please use a towel

with a neutral solvent. To prevent any damages don’t use volatile solvent, as it causes

damages on plastic parts.

- At regular intervals please lubricate the plug gauges with a resin free oil. It will prevent the

gauge from corrosion.

- Opening the device will leed to loose the warranty claim.

4Setting

Before changing to Setting mode you must change to the M8 thread plug gauge which is delivered as

standard (except for changing the depth mode). A gauge sleeve is not needed in this case!

Press and hold the blue button at the side (button C) for a while (approx. 3 seconds) to change to

Setting mode. This mode can be recognised by the movement pattern of the plug gauge (turning

forwards, backwards) and is the first level.

4.1 Setting level 1 Rotational direction/Torque

Change to this level by pressing the black button (Button B).

The plug gauge now executes a short pattern of movements and then turns slowly in one direction.

You can use this mode to set the rotational direction and torque. This is carried out by using the

adjusting block supplied. There are two levels of holes on this block. These holes only differ in depth

and are not used to calibrate the depth measurement but to select a data set.

To select a data set, three holes must now be tested. The first dictates the rotational direction (right or

left-hand rotation). The second and third holes adjust the required torque. This can be set at nine

different levels.

Fig 5: Adjusting block

1st hole

nd hole

rd hole

4.1.1 Pattern of movement

Different patterns of movement can occur during the setting process. These are characterised by:

(left-hand rotation)

1. One short turn 1st hole is the next hole

2. Two short turns 2nd hole is the next hole

3. Three short turns 3rd hole is the next hole

4. Alternating left/right-hand turns at short intervalsmeasuring error

In the event of a measuring error (4) the turning pattern for the next hole is displayed again.

4.1.2 Torques

In the relevant standard, there are no fixed torques determined for testing threads. The only

specification is "screw in with light manual force“. The table below shows the torques with

recommendations for a thread size. However, in the end there are many influences that make it

necessary to adapt the torque (material, tolerance range of the thread, etc.).

Please note: fluctuations in torque can occur due to temperatures and motor tolerances.

Level Torque Ncm

Thread range

metric from to

12 1,6 3,5

15 4 5,5

16 6 8

17 9 13

18 14 29

Table 1: Recommended torques

Indice

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