SIZE
No limitation but best range within 2" cube to 36"
cube.
SURFACE FINISH
Can hold 63 micro-inch but
normally 90 micro-inch.
WALL THICKNESS
Thin Wall
.030" - .060"
Average
.080" - .120"
Thick Wall .180" - .500"
GENERAL TOLERANCES
0" - 2"
± .010 2" - 3" ±
.012
3" - 6"
± .015 6" - 12" ± .020
12" - 18" ± .030
18" - 30" ± .040
LIMITATIONS
The process is limited to non-ferrous metals with
pouring temperatures below 2,000 degrees F. This includes aluminum, magnesium
and zinc casting alloys and some copper based alloys.
ALLOYS
Aluminum, zinc, and magnesium are the most common
alloys cast. HOLES
Not economical to cast small holes 1/4" or less unless
odd shape or inaccessible areas for machining. |
DRAFT
Typically 1/2" to 2".
Zero draft is possible in specified areas. Corner radii and fillets as
required, typical 1/16" R.
MECHANICAL PROPERTIES
Tensile - Yield - Elongation - as
per the appropriate commercial and military specifications.
TOOLING-PATTERN EQUIPMENT
A) Wood - to expedite for up to 20 pieces
B) Epoxy Resin - usually up to 500 pieces
C) Metal - Aluminum or Brass - used to obtain best
tolerances and quality
D) Rubber - for quantities up to 1,000 pieces.
Tooling can be duplicated easily from master tooling to expedite delivery or
for higher volumes.
DELIVERY
1 - 2 weeks for simple parts
4-8 weeks for complex parts
TYPICAL APPLICATIONS
Castings for medical
equipment, computers, automotive, aerospace, electronics, engineering |