Facility for production of advanced cutting tools has commenced its operations in 2013. Besides producing new cutting tools, the facility has the capability to provide coat and re-coat worn tools under contracts with Customers.
Application of coating consists of two phases:
· Preparations of cutting tool’s surface;
· Applications of coating.
Coating and re-coating of hard-alloy and high-speed steel end-cutting tools (including tools with cooling ducts) Ø ≤135, L≤ 400;
Manufacturing capability of the coating application area:
· Coating of high-wear parts associated with molds and dies, dimensions up to 400×400×700 mm, weight up to50 kg.
Washing machine is utilized to prepare cutting tools’ surfaces. Baths are utilized to remove old coating.
Glassblasting machine is a machine used for glass globule blasting. The machine has a dust catcher.
Microblasting machine is a machine used for fine jet blasting. It has a dust catcher and centrifugal separator to impact surfaces with microspheres.
Sandblasting is used to remove coating from tools as follows:
· Glass beads impact method – this method is used to process high-speed steel tools to remove burrs from the cutting edge;
· Microabrasive powder method – this method is used for both high-speed steel and hard-alloy tools to improve adhesion during the coating process.
Preparation of cutting edge is performed using machines:
Degassing furnace is utilized to ensure ultimate removal of possible contamination, fluid from lubricating & cooling ducts as well as residual flux from tools with brazed-on plates. Then tooling and tools are collected and loaded into Vacuum Coating Machine.
Phase two is the application of coating proper on tools in vacuum at the temperature of 550°С. The existing technology allows to apply coating both on tools made of high-speed steel and hard alloys. At present, two types of titanium-base and nitride-base coating are available: BalinitA, FuturaNano, and two types of aluminium-base and chromium-base coating: AlcronaPro, Allnova.
Application of these innovative coatings increases tools’ wear-resistance and provide quality not worse than the quality of import analogs produced by such world leaders as Mitsubishi, Sandvik, Iscar, Guhring and others.