Tolerances Aloma Shim And Manufacturing

edf40wrjww2Admin:SiteKeywordsaloma, shims, shim, shim stock, shim kits, laser cutting services, laser cutting, water jet services, water jet cutting, waterjet, waterjet cutting, cnc machining, shot blasting, shotblasting, alignment, laser alignment, reverse dial indicator, indicator clamp, efficiency kit, mini kit, plastic shim stock, aluminum shims, feeler gauge, laminated shim, washers, gaskets, custom shim, metal stampings, aircraft shims, tab shims, precut shims, pre cut shims, slotted shim, slotted shims, metal shim, pump alignment, pump parts, rom-a-lign, rom a lign, romalign, contract manufacturing, castor shims, pillow block shims, tube cutting, pipe cutting"> edf40wrjww2Admin:SiteDescriptionAloma Shim and Manufacturing your source for Pre-Cut Shims, Shim Kits, Custom Shims, & Precision Fabricated Parts. Laser Cutting Services, Water Jet Cutting Services, Contract Manufacturing, and CNC Machining provided.">

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One of the problems in achieving accurate alignment is determining how thick the shims are. Most of our competitor's shims are produced from gauge material with a very wide tolerance range. This means you need a micrometer to determine the actual thickness. If you do not check these inferior quality shims for thickness accuracy, you could easily double your alignment time. Worse yet, a misalignment that could cost thousands in prematurely worn parts.

It is also a very good idea to check shims for flatness. Flat and nominally marked shims have a very severe impact on alignment costs.

Along with a very tight flatness specification the material used to produce ALOMA quality shims must meet the following thickness tolerances:

THICKNESS	THICKNESS METRIC	TOLERANCE	TOLERANCE METRIC
Inch	mm	Inch	mm
0.001	0.025	±.00005	±.00127
0.002	0.051	±.0001	±.00254
0.003	0.076	±.00015	±.00381
0.004	0.102	±.0002	±.00508
0.005	0.127	±.00025	±.00635
0.010	0.254	±.0005	±.0127
0.015	0.381	±.00075	±.01905
0.020	0.508	±.001	±.0254
0.025	0.635	±.00125	±.03175
0.030	0.762	±.0015	±.0381
0.050	1.270	±.002	±.0508
0.060	1.520	±.002	±.0508
0.075	1.910	±.002	±.0508
0.100	2.540	±.004	±.1016
0.125	3.180	±.004	±.1016
0.250	6.350	±.005	±.127
0.375	9.530	±.010	±.254
0.500	12.700	±.010	±.254

All of Aloma Shims greater than .050 are marked with the exact thickness to within .0005" . The chart below shows just how far away from the nominal thickness many shim suppliers can be that purchase gauge AISI tolerance material. Aloma only buys prime material rolled to our specific tolerances providing our customers with the highest quality shims in the industry.

ALOMA TOLERANCE STANDARDS
Shim Size	ALOMA Tolerance	AISI Tolerance
0.050	0.0950+/-0.002	18 GA 0.048 ±.00003 (typical 0.046)
0.075	0.075+/-0.002	14 GA 0.072 ±.00003 (typical 0.071)
0.100	0.100+/-0.004	12 GA 0.105 ±.00005 (typical 0.117)
0.125	0.125+/-0.004	11 GA 0.119 ±.00005 (typical 0.117)