Magnescale DK830SR Manual de usuario

DK830SR / DK830SLR /

DK830SVR

取扱説明書/ / /

Instruction Manual / Bedienungsanleitung

デジタルゲージ/ 數位測量器 / /

Digital Gauge / Digitale Messtaster

お買い上げいただき、ありがとうございます。ご使用の前に、この取扱説明書を必ずお読みください。ご使用に際しては、この取扱説明書どおりお使いください。お読みになった後は、後日お役に立つこともございますので、必ず保管してください。Read all the instructions in the manual carefully before use and strictly follow them.

Keep the manual for future references.

Lesen Sie die ganze Anleitung vor dem Betrieb aufmerksam durch und folgen Sie beim

Betrieb des Geräts den Anweisungen. Bewahren Sie diese Bedienungsanleitung zum

späteren Nachlesen gribereit auf.

(E) (1)

Safety Precautions

Magnescale Co., Ltd. products are designed in full consideration of safety. However,

improper handling during operation or installation is dangerous and may lead to re,

electric shock or other accidents resulting in serious injury or death. In addition, these

actions may also worsen machine performance.

erefore, be sure to observe the following safety precautions in order to prevent these

types of accidents, and to read these “Safety Precautions” before operating, installing,

maintaining, inspecting, repairing or otherwise working on this unit.

Warning indication meanings

e following indications are used throughout this manual, and their contents should be

understood before reading the text.

Warning Failure to observe these precautions may lead to re, electric shock

or other accidents resulting in serious injury or death.

Caution

Failure to observe these precautions may lead to electric shock

or other accidents resulting in injury or damage to surrounding

objects.

Symbols requiring attention Symbols prohibiting actions

CAUTION ELECTRICAL

SHOCK

DO NOT

DISASSEMBLE

Warning Failing to follow the precaution items given below may

lead to severe injury or death.

• Do not damage, modify, excessively bend, pull on, place heavy objects on

or heat the cable, as this may damage the cable and result in re or electric

shock.

• Do not disassemble or modify the unit, as this may result in injury or electric

shock. ese actions may also damage the internal circuitry.

Caution Failing to follow the precaution items given below may

lead to injury or damage to surrounding objects.

• e unit does not have an explosion-proof structure. erefore, do not use

the unit in an atmosphere charged with inammable gases as this may result

in re.

(2) (E)

General precautions

When using Magnescale Co., Ltd. products, observe the following general precautions

along with those given specically in this manual to ensure proper use of the products.

• Before and during operations, be sure to check that our products function properly.

• Provide adequate safety measures to prevent damages in case our products should

develop malfunctions.

• Use outside indicated specications or purposes and modication of our products will

void any warranty of the functions and performance as specied of our products.

• When using our products in combination with other equipment, the functions and

performances as noted in this manual may not be attained, depending on operating

and environmental conditions.

(E) i

Contents

1. Operating Cautions......................................................... 1

2. Mounting Instructions .................................................... 2

3. Names of parts ................................................................ 3

4. Specications .................................................................. 4

5. Measuring unit output signals....................................... 5

5-1. Output Signal Phase Diference............................................................................... 5

5-2. Output Signal Alarm................................................................................................. 6

5-3. Receiver........................................................................................................................ 6

6. Optional Accessories....................................................... 7

7. Dimensions ...................................................................... 8

(E) 1

1. Operating Cautions

• Do not use the unit in places where it may receive excessive shocks. Otherwise the

inside of the unit may be damaged or the unit may become unable to produce normal

output signals.

• Be sure to turn othe power before connecting or disconnecting connectors in order

to prevent damage or misoperation.

• Insert the connector into the display unit until it locks. Be sure to turn o the power

switch before connecting or disconnecting the connector.

• Locate the measuring unit at least 10 cm away from a strong magnetic source. (e

measuring unit must not be used in magnetic elds exceeding 5 mT.)

•

Do not forcibly pull the cable for connecting or disconnecting, or it may cause breakage.

• e measuring unit is short circuited to the frame GND (ground terminal) of the

display unit by shield wire of the cable. When the measuring unit is used with an other

signal processing device on a machine tool, etc., be aware of the ground level.

• Do not place the measuring unit where it is exposed to splash of water or oil.

• Calibration is recommended every year.

• e DK830SLR can provide protection equivalent to a IP67 degree of protection by

using with the Bellows Set DZ830BL (optional accessory). e DK830SVR can provide

protection equivalent a IP67 degree of protection by using with the Bellows Set

DZ830BV (optional accessory). e DK830SR cannot be used with a bellows set.

• When using a bellows set (optional accessory) with the DK830SLR or DK830SVR,

organic solvents, ozone, ultraviolet rays, or other adverse conditions in the ambient

atmosphere can cause rapid deterioration of the bellows. When using in these

environments, replace the bellows periodically (every six months to one year).

For DK830SVR only

• In operating the feeler through the air feed port, use such an air-pass system as

shown in Fig.1 to enable air driving. e suitable air pressure is approximately 0.1

±0.01 Mpa, but adjustment of the pressure control is needed according to the

hardness of the object to be measured, location in the measuring unit stroke when the

measurement is taken, and other factors. Use a precision regulator (such as IR2010 by

SMC or equivalent) to control the air pressure.

• If the spindle ejection speed is too fast, an error may appear on the display the moment

that the workpiece is touched. Excessive impact may dislodge the retainer inside the

bearing, causing the measuring range to be reduced. In this case, use a speed controller

as shown in Fig.1 to adjust the spindle speed.

• e tube used for the air feed port should have an outer diameter of φ4 mm.

• Injection of air causes the spindle to perform the ejection operation.

• Use dry air for air injection.

DK830SVR

AIR

Pressure

source

Mist separator

Air lter

Speed controller

Regulator Solenoid valve Precision regulator DK830SVR

Fig.1 Air-pass system

2 (E)

2. Mounting Instructions

• Be sure to chuck the stem of the measuring unit for mounting.

• If the measuring unit is mounted on another device, ensure that the measuring unit is

free from contact with mount screws.

• When attaching and removing the feeler, use the supplied wrench. Be careful not to

apply torque exceeding 0.1 N·m to the spindle. is could lead to a breakdown.

Except when using a at feeler, it is recommended to either attach the supplied spring

washer (nominal size: 2.5) or use a screw lock to prevent loosening of the feeler

(tightening torque reference value: 0.05–0.06 N·m) (See Fig. 2.).

• e measuring unit comprises ball bearings. erefore, chucking the stem of the

measuring unit too tightly when mounting may damage the spindle and prevent its

smooth motion.

• When mounting onto a machine, use of the Flange Adaptor DZ830F (optional

accessory) is recommended for preventing damage to the measuring unit due to over-

tightening. If the DZ830F cannot be used, prepare a holder with the dimensions and

material shown in Fig. 3, and x the probe by fastening the screw at a specied torque

of 0.6 N·m.

• Attach the stem by tightening a screw into the slot as shown in Fig. 3.

Never attach by screw threading in the φ8 hole vertical direction, pressing the stem,

and then tightening with a screw. is could result in poor sliding and low precision.

• Fix the cable in a suitable position to prevent possible cable breakage. Never handle the

cable by forcibly pulling or bending it. (Inside bend radius 40 mm or more)

• If the spindle is to be xed to the machine, use coupling DZ-191 which is optionally

available. Refer to the DZ-191 Instruction Manual regarding the mounting procedure.

• e measuring accuracy depends on the mounting parallelism. Adjust the squareness

to the measuring surface or the parallelism to the movement to within 0.02 mm/

14 mm.

• Aer the stem is secured, do not apply force in the rotational direction. is could

cause a failure.

Feeler

spindle

Stem

Supplied

wrench Tightening torque: 0.6 N·m

Material: SUS303

M3 14 18

8.5

φ8G6+0.014

+0.005

Unit: mm

Fig. 2 Attaching/removing feeler Fig.3 Dimensions and Dimensional

Tolerance for the Mounting Holder

(E) 3

3. Names of parts

DK830SR

Feeler (interchangeable)

Stem

DK830SLR

Feeler (interchangeable) Air feed port

Stem

DK830SVR

Feeler (interchangeable) Air feed port

Stem

Interpolation box

Connector

Cable

Illustration: DK830SLR

4 (E)

4. Specications

Straight Type

Right Angle Type

Pneumatic push Type

DK830SR DK830SLR DK830SVR

Output A/B/reference point signal dierential line driver output

(compliant with EIA-422)

Signal pitch 80 µm

Resolution 0.1 µm

Measuring range 30 mm

Accuracy (at 20°C)

1.3 µm 1.7 µm

Measuring force

(at 20°C)

Downward: 0.7 ±0.35 N

Horizontal: 0.6 ±0.35 N

Upward: 0.5 ±0.35 N

Air pressure of 0.07 Mpa:

1.9 N or less in all

directions

Air pressure of 0.09 Mpa:

2.6 N or less in all

directions

Reference point One location (at 1 mm position of spindle movement)

Maximum

response speed 80 m/min

Air driving None Pneumatic push

Vibration

resistance

(10 to 2000 Hz)

100 m/s2

Impact resistance

(11 ms) 1000 m/s2

Degree of

protection*1 IP53 IP53/IP67*2

Operating

temperature 0°C to 50°C

Storage

temperature –20°C to 60°C

Power supply

voltage DC +5 V ±5%

Power

consumption 1 W

Cable length 2.4 m

Diameter of stem φ80

–0.009

Mass*3 Approx. 70g Approx. 80 g

Feeler Provided with a carbide ball tip, Mount screw M2.5

Accessories Supplied wrench, Instruction Manual, Supplement, +P4×5 screw (2)

Output cable

length (up to the

electronic section)

22 m max.

Life time*4 Minimum 20 million cycles without shock

Minimum 10 million

cycles without shock

*1 Not including interpolation box and connector

*2 When using a bellows set (optional accessory)

*3 Not including cable and interpolation box

*4 Depends on the evaluation test dened by Magnescale Co., Ltd.

(E) 5

5. Measuring unit output signals

e signals output from the measuring unit are AB quadrature signals, reference point

output signals in the form of dierential line driver output compliant with EIA-422.

Signal A

Signal B

Reference point

output

e reference point is the synchronized reference point that is at Hi level when the signal

A and signal B are at the Hi level.

Output signals at maximum response speed (at approx. 80 m/min)

200 ns (5 MHz)

Signal A

Signal B

50 ns

is measuring unit outputs AB quadrature signal with a maximum frequency of 5 MHz and

minimum phase dierence of 50 ns. Use a counter or controller that can process these signals.

*e minimum phase dierence can be modied under special specications. (See “5-1.

Output signal phase dierence”)

5-1. Output Signal Phase Dierence

e travel length of the measuring unit is detected every 50 ns, and the phase dierence

proportional to the length traveled is output. e phase dierence changes in integer

multiples of 50 ns.

Also, the minimum phase dierence for the signal A and signal B is 50 ns.

Signal A

Signal B

Integer multiples of 50 ns

6 (E)

In the standard specications, the minimum phase dierence is xed at 50 ns, but the

minimum phase dierences in the table below are available as custom specications.

AB quadrature

signal minimum

phase dierence

Signal A cycle

Counter allowable

frequency

Maximum

response speed

Remarks

50 ns 200 ns 5 MHz 80 m/min Standard

product

100 ns 400 ns 2.5 MHz 42 m/min Special

specications

300 ns 1.2 µs 833 kHz 14 m/min Special

specications

500 ns 2 µs 500 kHz 8.4 m/min Special

specications

5-2. Output Signal Alarm

If the response speed is exceeded, the AB quadrature signal output from this

measuring unit changes to Hi level for about 400 ms to serve as an alarm.

Alarm section

AB quadrature signal is Hi level

5-3. Receiver

20 m or less

Line driver

Output: AB quadrature

signal, reference point

Receiver

Line receiver

AM26C32 or

equivalent

∗If extending the cable, the supply voltage is +5 V ±5%.

∗Use the CE22 series extension cables for bare wires (optional accessories).

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