Precision Measuring Instrument Holder
GRANITE COMPARATOR STAND
Thank you for purchasing the Niigata Seiki Granite Comparator Stand. This stand holds measuring tools with
mm stem, including dial gauge and electronic micrometer, for measuring dimensions such as outside diameter,
thickness, and step heights.
● For safe and proper use of this product, please read this instruction manual
before use and follow the procedures described. Please keep manual where
it is accessible to user for future reference.
● Keep this manual with the instrument if transferred or leased to a third party.
● For inquiries about this product, please contact dealer or place of purchase.
■PART IDENTIFICATION
※ Model WGC-150 shown
③Fine Adjustment
Knob
①Bracket
④Stem
Mounting Hole
②Bracket
Clamp
⑤Instrument
Mounting Clamp
⑥Main Post
⑦Measuring
Platform
①Bracket ・・・・・・・・・・・・
Moves vertically with attached
measuring instrument.
②Bracket Clamp ・・・・・
Fixes bracket to main post.
③Fine Adjustment ・・・
Vertical fine adjustment of instrument
Knob
clamp.
④Stem ・・・・・・・・・・・・・・
Measuring instrument mounts here.
Mounting Hole
⑤Instrument ・・・・・・・・・
Clamp secures measuring instrument.
Mounting Clamp
⑥Main Post ・・・・・・・・・
Holds bracket for vertical positioning.
⑦Measuring Platform・・・
Work surface.
Platform will wear with continued
use, so please use block gauge to
check for wear before use.
SPECIFICATIONS
●Material
Measuring Platform...Granite
Model
Main Post...Steel
WGC-150
Bracket...Aluminum
WGC-200
User Manual
WGC-150 ・ WGC-200
Model No.
SAFETY NOTICE
Throughout this manual, this mark:
indicates a required condition or procedure.
■PACKAGE CONTENTS
※ Model WGC-150 shown
①Bracket
⑥Main Post
⑦Measuring
Platform
Spring Washer
Please confirm the above items are included. If any items are
missing, please contact dealer or place of purchase.
■ASSEMBLY
①Bracket
※Requires 8mm Hex
4
Wrench ( Allen Wrench. )
※If Bracket clamp is
disassembled, first
assemble the clamp.
①Place the M10 bolt,
spring washer and
washer into the hole in
the Measuring Platform
2
as shown in the drawing.
②Mount the Main Post.
③Tighten the bolt to
secure the Main
Post to the
Measuring Platform
using the 8mm Hex
Wrench.
④Slide the Bracket
Clamp onto the Main
Post.
⑤Tighten the Bracket
1
Clamp to secure in
position.
8mm Hex Wrench
Vertical
Stem
Fine Adjust Vertical
Base Flatness
Stroke Length
Mounting Hole
Stroke Length
135mm
≧ 1mm
2μm
8mm
250mm
SAFETY PRECAUTIONS
Always follow these marked operating procedures in order to prevent harm to yourself or others, and to prevent
damage to property.
CAUTION
Read the instruction manual and follow the instructions.
・ Use of product other than as described in the manual
8
may cause accident.
Use only for measuring.
・ Use for any purpose other than measuring may damage or
wear the instrument. Improper use may also cause accident.
Use in an environment which meets the following
conditions:
●Dry location protected from rain, water, and oils.
●Location not subject to wide temperature changes.
●Location free from cutting chips and dust.
●Horizontal surface which is stable and free from vibration.
●Location protected from use by children and unauthorized
people.
・ Use in location contrary to the above may cause poor
accuracy, damage to the product, or may result in accident
or injury.
HOW TO USE
Washer
①Insure that the measuring surface is free of dirt and is secure
M10 Bolt
and not loose.
Wipe measuring surface with soft cloth moistened with alcohol to
remove contamination. Insure that it is tight and is not scratched. Do
not use with damaged or loose platform as it will affect accuracy.
②Check that bracket moves smoothly.
Loosen the bracket clamp and check that it moves smoothly on
②Bracket
the main post. Otherwise, clean post and remove any
Clamp
contamination or corrosion.
③Attach the measurement instrument to the bracket.
Firmly tighten the bracket clamp.
Loosen the instrument mounting clamp and insert the measuring
instrument stem into the mounting hole. Fix the instrument by
5
tightening the instrument mounting clamp.
Tighten
⑥Main Post
2
Main Post Hole
⑦Measuring
④Stem
Platform
Mounting Hole
⑤Instrument
Washer
Mounting Clamp
Spring Washer
M10 Bolt
3
Tighten
Cleaning and Storage After Use
Wipe measuring platform with a clean, dry cloth or with cloth
moistened with alcohol to remove any contamination.
Do not use a stiff brush or abrasive pad as it will damage the surface and
cause poor accuracy.
Weight
(approx.)
Wipe any contamination from the main post and bracket
3.0kg
using a clean, dry cloth.
Store in area free from dust and with low humidity.
6.9kg
Improper use may result in personal injury or damage to property.
Handle With Care.
・ Do not drop or subject to shock -- instrument accuracy
・ Do not allow water or oil to sit on measurement base,
Protect measuring platform from scratches.
・ To prevent damage, use care when placing workpieces
When mounting measurement instrument to
bracket clamp, make sure clamp is tightened
firmly.
・ If clamp is loose, measurement instrument may fall
④Taking Measurements.
1. Make sure that there is no dirt or dust on the measuring
platform, measuring instrument, or workpiece.
2. While supporting the bracket by hand, loosen the bracket
clamp and adjust to roughly the desired height before
re-tightening the bracket clamp.
3. Use the fine adjustment knob to fine-tune the height.
Perform the desired measurements.
※Before start of measurement, please check the measuring
surface for wear using the following procedure.
CHECKING THE PLATFORM FOR WEAR
Measuring platform will wear with continued use.
Please check for wear before each use.
Measuring Instrument
①Install an accurate measuring instrument.
Stem
②Measure block gauge placed at several points on measuring
③Fine Adjustmemt Knob
surface and make sure the reading is consistent.
If the reading varies significantly, please discontinue use as
①Bracket
the wear on the measuring surface is to large.
②Bracket Clamp
Wear and performance degradation will vary
greatly depending on frequency and type of use.
3
Tighten
We recommend periodic inspection conforming
your in-house standards and requirements.
Loosen
1
Please Observe
may be affected.
use a soft cloth to clean.
onto platform surface, and avoid sharp edges.
and cause damage or affect instrument accuracy.
Niigata Seiki Co., Ltd.
5-3-14, Tsukanome, Sanjo, Niigata, Japan, 955-0055
Tel. : +81-256-33-5522 Fax. : +81-256-33-5518
MAIL intl.sales@niigataseiki.co.jp
URL
http://www.niigataseiki.co.jp