Kepkep Die & Molds has been founded in 1982. The principal area of service is small Parts, presicion injection molds & punch tools. In 2005 a new desicion has been made to invest on composite parts for aerospace industry. The first step was to build invar tools for composites. After several investigations and technical studies, the first invar tools has been realised on first quarter of 2007 for customer TAI (Tusas Aircraft Industries - Ankara / Turkey)
What is invar?
Invar is special Iron-Nickel Alloy with a very small coefficient of expansion 1-1.5cm/cm °C x 10-°@200°C)
USE OF INVAR:
Invar is especially used in Composite tools to maintain dimensional stability of tools for the production of precision Aerospace or other Industry parts
INVAR TOOL PREPERATION:
Invar tools are primarily made of Invar raw material either Cast Invar or sheet invar raw Material depending on size & shape of the tool. The final dimensions are given by CNC milling & Polishing.
We at Kepkep Die & molds are capable of building Invar tools:
• Cast Invar Lay out tools up top 1 meter long and 60 cm wide
• Invar lay out tools made of invar sheet Metal
• We are ready to prepare any lay out tool for composites according to Customer specifications