Technical Capabilities

TECHNOLOGY

Precimetal has established various technologies to manufacture investment casting parts in lost-wax process. They are :

Water-Sole Core

Water Sol Core
Core with wax pattern
Core with wax pattern
Final product
Final product

Quick Set Gel

(“Quick Set Gel” technology Closed Impeller with 8 mm opening & 400 mm dia).

Quick Set Gel

Pre-formed Ceramic Core

Pre-formed Ceramic Core
Ceramic Core with wax pattern
Final Product

Technical Capabilities

 

Manufacturing capabilities-

  • Single-piece weight capacity:   5 gm to 60 Kg
  • Maximum single-piece size:   350mm x 350mm x 450mm
  • Quantity :   We are able to supply from small batches to bulk production depending upon the component size and weight limitations.

Various material specification being manufactured

The company manufactures all types of ferrous based castings conforming to various Indian as well as international standards. The most common are:

01. Stainless Steels & Corrosion Resistance Steels

Stainless Steel casting confirming to various standards like ASTM, IS, DIN, JIS e.g. CF8, CF3, CF8M, CF3M, CD4MCU, 17.4PH, CA6NM, CA 15, CA 40 etc.

02. Heat Resistance Steels

Heat Resistance Steel casting confirming to various standards like ASTM, IS, DIN, JIS e.g. grades HA, HH, HK, HT, etc.

03. Special & High Alloy Steels

Special Alloy casting confirming to various standards like ASTM, IS, DIN, JIS e.g. Alloy-20, Haste Alloy - A, Haste Alloy-B, Haste Alloy-C etc.

04. Plain & Low Alloy Steels

Plain & Low Alloy Steel casting confirming to various standards like ASTM, IS, DIN, JIS e.g. WCB, WCA, WCC, EN-8, EN-9, EN-19, EN-24, EN-55, etc.

05. Low-temperature alloy steels

Alloy Steel casting confirming to various standards like ASTM, IS, DIN, JIS e.g. LCB, LCC, LC-6, CA 15, CA6NM, etc.

Dimension Tolerances:

Investment castings can be produced with a very close control dimension eliminating machining in some of the products. It’s to the buyer’s interest to develop the product with minimum machining allowance to enable him to take advantage of the process. General tolerances which can be achieved by this process are mentioned below. However if required still further tight tolerance, the same can be discussed with the manufacturer and then design the product accordingly.

Dimensions:

The dimensions tolerances mentioned are as per Indian Standards 11166 Class II. All tolerances are in +/- tolerances.

Nominal dimension Overall Dimensions
Over - 6 10 18 30 80 180 300
Over Up-to 6 10 18 30 80 180 300 500
- 6 0.10 0.12 0.15 0.20 0.25 0.25 0.30 0.35
6 10 _ 0.12 0.15 0.25 0.25 0.30 0.35 0.45
10 18 - - 0.20 0.30 0.35 0.35 0.40 0.55
18 30 - - - 0.30 0.40 0.45 0.50 0.65
30 80 - - - - 0.45 0.55 0.60 0.75
80 180 - - - - - 0.60 0.70 0.90
180 300 - - - - - - 1.00 1.15
300 500 - - - - - - - 2.00

Flatness:

Casting length (mm) 25 50 75 100 125 150
As-cast tolerances (mm) 0.20 0.37 0.50 0.63 0.76 0.76

Concentricity:

Outside diameter (mm) 18.75 25.00 37.50 50.00
Inside diameter (mm) 6.25 12.50 18.45 25.00
As-cast tolerances 0.100 0.125 0.200 0.250

Angles:

As a general rule, angular tolerances can be held to +/- ½ degree.

Surface Finish:

Material Average R.M.S. value
Carbon and low alloy steels 90-125
Stainless Steels 90-125

Moreover, letters, symbols, numbers, holes etc. also can be cast in ‘As-Cast’ conditions by this process.

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