Throughout this manual, this mark:
indicates a required condition or procedure.
GRANITE COMPARATOR STAND
Precision Measuring Instrument Holder WGC-150 WGC-200
Model No.
User Manual
Thank you for purchasing the Niigata Seiki Granite Comparator Stand. This stand holds measuring tools with ȭ8
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.
SAFETY NOTICE
Moves vertically with attached
measuring instrument.
Fixes bracket to main post.
Vertical fine adjustment of instrument
clamp.
Measuring instrument mounts here.
Clamp secures measuring instrument.
Holds bracket for vertical positioning.
Work surface.
Platform will wear with continued
use, so please use block gauge to
check for wear before use.
Bracket
Bracket Clamp
Fine Adjustment
Knob
Stem
Mounting Hole
Instrument
Mounting Clamp
Main Post
Measuring Platform
PART IDENTIFICATION
PACKAGE CONTENTS
ASSEMBLY
SPECIFICATIONS
Measuring
Platform
Bracket
Bracket
Clamp
Main Post
Main Post Hole
M10 Bolt
Washer
Spring Washer
8mm Hex Wrench
Bracket
Measuring
Platform
Main Post
Washer
Spring Washer
M10 Bolt
Model WGC-150 shown
Model WGC-150 shown
Please confirm the above items are included. If any items are
missing, please contact dealer or place of purchase.
Material
Measuring Platform Granite
Main Post Steel
Bracket Aluminum
135mm
250mm
Model
WGC-150
WGC-200
Base Flatness
2 m
ȭ8mm 3.0kg
6.9kg
Tighten
Insert
Mount Insert
Requires 8mm Hex
Wrench (
Allen Wrench.)
If Bracket clamp is
disassembled, first
assemble the clamp.
Place the M10 bolt,
spring washer and
washer into the hole in
the Measuring Platform
as shown in the drawing.
Mount the Main Post.
Tighten the bolt to
secure the Main
Post to the
Measuring Platform
using the 8mm Hex
Wrench.
Slide the Bracket
Clamp onto the Main
Post.
Tighten the Bracket
Clamp to secure in
position.
Vertical
Stroke Length
1mm
Fine Adjust Vertical
Stroke Length
Tighten
Stem
Mounting Hole Weight
approx.
Bracket Clamp
SAFETY PRECAUTIONS Please Observe
Always follow these marked operating procedures in order to prevent harm to yourself or others, and to prevent
damage to property.
Improper use may result in personal injury or damage to property.
Read the instruction manual and follow the instructions.
Use of product other than as described in the manual
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.
CAUTION
Handle With Care.
Do not drop or subject to shock -- instrument accuracy
may be affected.
Do not allow water or oil to sit on measurement base,
use a soft cloth to clean.
Protect measuring platform from scratches.
To prevent damage, use care when placing workpieces
onto platform surface, and avoid sharp edges.
When mounting measurement instrument to
bracket clamp, make sure clamp is tightened
firmly.
If clamp is loose, measurement instrument may fall
and cause damage or affect instrument accuracy.
HOW TO USE
Measuring platform will wear with continued use.
Please check for wear before each use.
Install an accurate measuring instrument.
Measure block gauge placed at several points on measuring
surface and make sure the reading is consistent.
If the reading varies significantly, please discontinue use as
the wear on the measuring surface is to large.
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.
Wipe any contamination from the main post and bracket
using a clean, dry cloth.
Store in area free from dust and with low humidity.
Cleaning and Storage After Use
CHECKING THE PLATFORM FOR WEAR
Loosen
1
Insert
Instrument
Mounting Clamp
Stem
Mounting Hole
Measuring Instrument
Stem
Fine Adjustmemt Knob
Bracket
Insure that the measuring surface is free of dirt and is secure
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.
Check that bracket moves smoothly.
Loosen the bracket clamp and check that it moves smoothly on
the main post. Otherwise, clean post and remove any
contamination or corrosion.
Attach 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
tightening the instrument mounting clamp.
Tighten
Taking 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.
Wear and performance degradation will vary
greatly depending on frequency and type of use.
We recommend periodic inspection conforming
your in-house standards and requirements.
Measuring
Platform
Main Post
Bracket
Bracket
Clamp
Stem
Mounting Hole
Fine Adjustment
Knob
Instrument
Mounting Clamp
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
URL http://www.niigataseiki.co.jp
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