Grinding, Honing & Lapping

Tolerance Masters‘ full machine shop includes equipment for grinding, honing and lapping services, producing items like sleeves, slides, valve plates and yokes.

We are skilled in universal, cylindrical, and surface grinding, and work to close tolerances, with accuracy within 1 micron. Our machinery features a center feed, CNC functions, and integrates gaging & programming for maximum accuracy and efficiency.

Our grinding services can produce pieces up to 12″ in outside diameter, and 8″ inside diameter, with a maximum width of 6″ and maximum length of 40″. Inspection is done using optical profilometer, bore gage, air gage, and camber gage. As one of our strongest core capabilities we offer multiple capabilities.

GRINDING, HONING & LAPPING SPECIFICATIONS

Intended Applications

Hydraulics
Fuel Systems
Bearings
Tooling / Fixtures

Process

Angle Grinding
Cylindrical Lapping
Flat Lapping
Cylindrical Hone
Form Grinding
Form Polishing
Deep Hole Grinding
Internal and Inside Diameter
Multiple Diameters
Outside Diameter
Polishing
Radii Grinding
Taper Grinding

Part Types

Valves
Bushings
Liners
Crankshafts
Slides
Sleeves
Yokes
Pistons

Production Volume

Prototypes that Lead into Program Production
Low Volume Batch Lots
Small Run
Medium to Large Scale Production Volume Run

Automation Capabilities

Integrated Gaging & Programming
CNC
Single Clamping

Quality Control Inspections

CMM x 3
Optical Profilometer
Camber Gage
Bore Gage
Air gage

Additional Services

CAD Design
CAM
Engineering
Q.C. Reports
Reverse Engineering
Spindle Grinding
Wheel Dressing

Materials (Metals)

Aluminum
Brass
Bronze
Carbide
Cast Iron
Colbalt
Copper
Gold
Hastelloy
HVOF Coatings
Inconel
Kovar
Lead
Magnesium
Molybdenum
Monel
Nickel
Niobium
Palladium
Platinum
Silver
Stainless Steel
Steel
Tantalum
Tin
Titanium
Tungsten
Zinc
Zirconium

Materials (Plastic Polymers)

ABS (Acrylonitrile Butadiene Styrene)
Acetal
Acrylic
Fiberglass Reinforced Plastics
Nylon
Phenolic
Polyamide-Imide
Polycarbonate
Polyetheretherketone (PEEK)
Polyetherimide
Polyethylene
Polyphenylene Sulfide
Polypropylene
Polystyrene
Polysulphone
PTFE (PolyTetraFluoroEthylene)
PVC (Polyvinyl Chloride)
PVDF (Polyvinylidene Fluoride)

Part Diameter

Max: 12 in

Part Inside Diameter

Max: 8 in

Part Outside Diameter

Max: 12 in

Part Length

Max: 40 in

Part Width

Max: 6 in

Part Height

Max: 12 in

Roundness

Max: .5 µm

Surface Finish

4 Ra Round, 2 Ra

Concentricity

Max: 1 µm

Tolerance (+/-)

1 micron diametrical

Additional Information

Industry Focus

Aerospace
Machine Tool
Marine
Medical
Military
Petrochem

Industry Standards

ASTM
AS9100D
Aerospace Industry Standard
ISO 9001:2008
International Organization for Standardization

File Format

.asm
.bmp
.CATPart
.CATProduct
.cgr
.ckd
.ckt
.csv
.dib
.dwg
.dxf
.exp
.gif
.hmf
.hsf
.iges
.igs
.ipt
.jpg
.KVTSession
CAD
.mod
.model
.obj
.pdf
.pm
.prt
.ptn
.sab
.sat
.session
.sldprt
.srf
.step
.stl
.stp
.tif
.u3d
.xmt_text
x_b
x_t
xmt_bin