Grind-Rite Centerless Grinding Units For Use With Customers Grinder; With 4-1/2” x 4”wide regulating roll driven by a brushless DC servo-motor, with variable speed. The drive unit and controls are containd in a convenient self contained box.
Unit is supplied complete with Carbide Blades and guides for Thru-Feeding, Plunge and Infeed work, for parts ranging from 1/4″ to 1-1/4” diameter. Carbide End Stops and standard 1-1/4” pressure roll with arm. Infeed Slide Assembly.
15-000……………………… 120 volt supply
15-001 ………………………220 volt supply
Shipping weight and dimensions 125 lbs 35” x 15” x 12” approximately
Consult GMT factory for additional accessories, which may be required for your specific needs.
Note: This price list is in U.S. Dollars and is valid for (90) days from date of issue.
Delivery: Immediate to (6) weeks. Please contact the GMT factory for availability of stock/non stock items.
F.O.B.: GMT plant Sterling Heights Michigan, USA.
Warranty: One year from date of shipment in accordance with our standard warranty.
TOOLING ACCESSORIES
WORK BLADES – Carbide Tipped
Thrufeed – 8” Blades (200 mm)
10-040 1/4″ Blade (6 mm)
10-041 1/8” Blade (3 mm)
10-042 1/16” Blade (1.5 mm)
10-043 1-1/4” Blade (32 mm)
Plunge – 4” Blades (100 mm)
10-044 1/4″ Blade (6 mm)
10-045 1/8” Blade (3 mm)
10-046 1/16” Blade (1.5 mm)
10-047 1-1/4” Blade (32 mm)
10-048 1/32” Blade * (0.8 mm)
WORK GUIDES
10-067 3/16” (4.7 mm)
10-068 3/32” (2.4 mm)
10-069 3/64” (1.2 mm)
10-070 1/32” (0.8 mm)
10-071 1-1/4” (32 mm)
GUIDE RISERS (two required)
10-072 1/32” (0.8 mm)
10-073 1/16” (1.6 mm)
10-074 1/8” (3.2 mm)
10-075 1/4″ (6.4 mm)
10-076 1/2″ (12.7 mm)
50-020 Complete Set of Blades and Guides
For part capacity 1/32” to 2”. Consists of one each of the 4” Plunge and one each of the 8” Thrufeed Blade in Carbide (1”- 1/4″- 1/8”- 1/16”) and one 4” x 1/32” hardened tool steel; plus one each of the guides (1”- 3/64”- 3/32 – 1/16” – 1/32”).
WORK PRESSURE ROLLS
50-006 Large Double Pressure roll Assembly –
supplied with two rolls 1-1/4” diameter
50-011 Complete with arm
50-007 Small Pressure Roll Assembly – supplied
with one roll 1/2″ diameter
50-012 Complete with arm
50-008 Small Double Pressure Roll Assembly –
supplied with two rolls 1/2″ diameter
50-013 Complete with arm
50-009 Standard pressure roll assembly
50-014 Complete with arm
50-010 Pressure Roll Arm – for use with all pressure rolls
to facilitate quick change over (recommended)
050-016 Infeed Guide Assy. Used for parts that come to
the machine with a head or other projection
which prevents feed through grinding.
WORKSTOPS
50-004 Roller End Stop – Used with parts that have
center hole or other condition that prevents using
a stop pin on center
50-005 Magnetic End Stop – This a magnetic assembly
that captures a steel ball to locate the part end
when there is a center hole present.
10-030 Carbide End Stop – (Standard Equipment
MISCELLANEOUS TOOLING
Complete Bearing Assembly Grind-Rite
50-039
Standard 4-1/2” x 4” with steel core
50-028
Tool kit for changing regulating roll
50-018
Sine Bar Clamp
00-000
Front Taper Adjuster Assembly
50-019
Blade & Guide Re-Grind Fixture
50-021
Drive belt
30-020
Limit Switch Assy.
50-032
Thrufeed Diamond Holder Assembly with Diamond
50-001
Plunge Grind Diamond Holder assembly with Diamond
50-002 $165.00
Spare Diamond used with above
10-099
One package of three Diamonds
50-029
MANUAL – GRIND-RITE SYSTEM 8-18 Centerless Grinder
ACCUGRIND-818SP with 0.000050″ micro downfeed device
FEATURES
– 0.000080″ flatness for the entire working surface
– Vertical handwheel at waist level
– Table traverses on linear ball bearings & D2 hardened & ground guideways
– Honeycomb ribbed column with D2 hardened & ground guideway systems
– Elevating & crossfeed leadscrews are hardened and ground
– Saddle travels on Turcite-B coated & hand scraped double V guideways
– 0.000050″ vertical micro feed
– Lubricated & sealed cartridge-type spindle
– Uses two pairs of class 7 (p4), angular contact ball bearings
– 2 HP dynamically balanced spindle motors
– Full 13″ clearance between 8″ wheel and chuck surface
– Automatic lubrication system
STANDARD ACCESSORIES
– Pin spanner wrench – Wrench
– Dust protection plate – Tool Box
– Hex wrenches – Touch-up paint
– Leveling pad – Leveling set screws
– Coupling – Fuse
– Balancing arbor – Wheel flange extractor
– Magnetic chuck setting screw – Lifting rods
– Spare steel wire – Wheel flange & weights
SPECIFICATIONS
– Table size
SP818SP 8″ x 18″
– Maximum grinding length (longitudinal) 618SP & 818SP 20″
– Maximum grinding width (crossfeed) 818SP 9″
– Downfeed handwheel Per Gradation 0.0001″
Per Revolution 0.050″
Microfeed 0.000050″
– Crossfeed handwheel Per Gradation 0.001″
Per Revolution 0.200″
Microfeed (optional) 0.000050″
– Grinding spindle drive Speed 60hz/3450rpm
Power rating 2 HP/1.5kw
– Maximum distance between spindle center to table surface 20″
SPECIFICATIONS Cont’d.
– Grinding wheel Diameter 8″
Width 1/2″ (max. 1″)
Hole size 1-1/4″
– Approximate net weight of machines 612SP 1,980 lbs.
618SP 2,090 lbs.
818SP 2,310 lbs.
– Voltage (unless otherwise specified when placing order) 230V
Stainless steel splash guards are added to enable the Sine base to be permanently mounted
The configuration we recommend for use with this machine is as follows.
GRIND-RITE: grinding fixture (15-000 ) with 4-1/2” diameter x 4”
wide regulating roll driven by a brushless DC motor with variable speed control.
Carbide blades and guides for thru-feed, plunge and infeed operations on diameters ranging
from 1/4″ – 1-1/4”.
Carbide end-stop and standard 1-1/4” pressure roll with arm, infeed guide assembly
Arranged to operate from 230/400/460 volt 60/50HZ, 3 phase input power supply. Other voltages availably consult factory.(specify voltage when ordering)
Training: two days of operator training included at GMT plant prior to shipment. Onsite
training can be provided at standard service rates.
60-0000
MACHINE OPTIONS
50-036
Automatic Longitudinal Feed Cycle – Provides rapid approach to work, slow down to feed rate. Feed to positive stop, dwell for a preset time, and automatic rapid wheel return. Slow down positive stop and dwell time are all adjustable
Digital Readout – 7 digit display, vertical and cross motion, .00005″ resolution.
30-066
Digital Readout – 6 digit display, vertical and cross motion, .0001” resolution.
30-068
Limit Switch Control Assembly – starts regulating roll at the beginning of
operation; stops the roll at the end of the operation.
50-032
Auto Advance Paper Filter Coolant System, 30 gallon capacity,
15 gpm pump. Outright sale
30-053
Consult factory for additional accessories, which may be available for your specific application.
NOTE: This quotation is valid for a period of 60 days from date of issue.
DELIVERY: Approximately 10 – 12 Weeks; Subject To Prior Sale of Capacity
TERMS: 25% with Order; Balance Upon Acceptance at GMT Machine Tool
SHIPMENT: EXW Our Plant – Sterling Heights – Michigan
Machine Acceptance
G.M.T Machine Tool is committed to supplying you with complete assurance of your machine’s capabilities. We desire to furnish you, as a component of this proposal, a written description of your expectations, allowing “satisfaction” to be defined and measured. We request that up-to-date part drawings be incorporated into the proposal prior to your order. In the absence of a specific application, the acceptance criteria for this machine will be GMT standard testing of repeatability and axis travel limits.
Thank you for considering
G.M.T. Machine Tool for this project. At GMT we believe that quality, blended with excellent service, is the foundation for a successful business. Having evaluated your requirements, we believe that the Grind-Rite Centerless Grinder will provide that quality and is the best solution to your needs.
Should you have any additional questions or concerns, please be sure to contact the dealer in your area.
Very truly yours,
James P. Gannon
SPINDLE TOOLING
GRINDING WHEELS – For GMT Grind-Rite grinders or other make which accept 8” diameter wheels.
Starter Wheel Selection #1 – 8” diameter, 1-1/4” hole. All wheels over 1/2″ thick are counterbored 4” diameter to half the wheel thickness (but not less than 1/2″).
50-030 To include the following.
Part No. Width Specification Application
31-001 1/2″ (13mm) 38A120J8V Through feed hard material
31-002 3/4″ (19mm) 38A120J8V Through feed hard material
31-003 3/4″ (19mm) 39C100J8V T/Feed & Plunge Tool Steels
31-004 3/4″ (19mm) 39C120JBB Soft Stainless Steel
31-005 1/2″ (13mm) 53A120L8V6 HSS General Purpose
31-006 1/2″ (13mm) 53A220Q10V6 HSS General Purpose
31-007 3/4″ (19mm) 53A220Q10V6 HSS General Purpose
31-008 1/2″ (13mm) 5SG100JVS Plunge HSS
31-009 3/4″ (19mm) 5SG100KVS Plunge HSS
31-010 1/2″ (13mm) 23A60M5VBE #22 Treatment
31-011 3/4″ (19mm) 23A60M5VBE #22 Treatment
Above wheel available individually.
31-012 2.0”(50mm) 38A80K8V General Purpose
Above mounted and balanced
31-013 2.0” (50mm) 38A120L9VG Hard Material
Above mounted and balanced
31-014 3.0” (76mm) 38A80K8V General Purpose
Above mounted and balanced
31-015 3.0” (76mm) 38A120L9VG Hard Materials
Above mounted and balanced
31-025 Regulating Roll Dresser- Diamond wheel mounted and balanced
on adapter, for use on machine spindle. For Grind-Rite machines
7” x 1/4″ x 1-1/4” RFQ
- Carbide Blade Re-Grind Wheel- Diamond wheel mounted and
balanced on adapter for regrinding carbide blades RFQ
7” x 1/2″ x 1-1/4”
SPINDLE TOOLING
Wheel Adapters
Flange Diameter 2-1/4” (57mm)
31-030 1/2″ (13mm) Wheel Width
31-031 3/4″ (19mm) Wheel Width
31-032 1” (25mm) Wheel Width
31-033 1-1/2” (38mm) Wheel Width
Wheel Adapters
Flange Diameter 3” (76mm)
31-040 1/2″ (13mm) Wheel Width
31-041 3/4″ (19mm) Wheel Width
31-042 1” (25mm) Wheel Width
31-043 1-1/2” (38mm) Wheel Width
Accessories For Spindle Tooling
31-049 Balancing Washers
31-020 Balancing Arbor
31-021 Static Balancing Stand
31-051 T-Handle Hex-Socket Puller Wrench
31-050 Face Spanner Wrench
31-053 Wheel Flanges 4-1/2” Diameter
31-054 Mount/Dismount Fixture
31-052 Pope Spindle Nut
