SD Partners Ltd.

Bulgaria, 2778 Banya

Competencies

Technologies

Mechanical Engineering

Technologies	Lotsize	Length	Width	Height	Weight
Mechanical engineering	1–10,000	2–1,000 mm	2–600 mm	0.1–600 mm	0–600 kg

Turning

Technologies	Lotsize	Length	Diameter
Turning	1–500 k	0–1,000 mm	0–200 mm

Sheet Metal Forming (Stamping, Deep-drawing)

Technologies	Lotsize	Length	Width	Material thickness
Punching / pressing (Out-of-tool)	from 1	0–100 mm	0–500 mm	0–5 mm

Injection Moulding, Extruding

Technologies	Lotsize	Length	Width	Height	Weight
Injection moulding	from 1	0–300 mm	0–300 mm	0–300 mm	0–0.5 kg

Cutting dies / deep drawing dies

Technologies	Length	Width	Height	Weight
Punching / Cutting tools	100–600 mm	100–600 mm	100–600 mm	0–600 kg

Mould construction

Technologies	Length	Width	Height	Weight
Injection moulds	100–600 mm	100–600 mm	100–600 mm	0–600 kg

Jigmaking

Technologies	Length	Width	Height	Weight
Drilling / milling jigs	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg
Gauges	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg
Measuring / testing jigs	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg
Assembly jigs	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg
Welding jigs	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg
Clamping devices	50–1,000 mm	50–600 mm	25–600 mm	0–600 kg

Etching and Spark Erosion

Technologies	Lotsize	Length	Width	Height	Weight
Spark erosion wire cutting	1–10,000	3–350 mm	2–250 mm	0.1–200 mm	0–150 kg
Spark erosion countersinking	1–100	3–350 mm	2–250 mm	0.1–200 mm	0–150 kg

Assembly

Technologies	Weight
Mechanical assembly	0–50 kg
Electromechanical assembly	0–50 kg

Measuring & Testing

Technologies	Length	Width	Height	Diameter	Weight
Measuring / testing	0.001–350 mm	0.001–350 mm	0.001–350 mm	1–350 mm	0–100 kg

Heat Treatment

Technologies	Lotsize	Length	Width	Height	Diameter	Weight
Annealing	1–1,000	10–200 mm	10–100 mm	10–100 mm	3–100 mm	0–20 kg
Hardening	1–1,000	10–200 mm	10–100 mm	10–100 mm	3–100 mm	0–20 kg
Hardening and tempering	1–1,000	10–200 mm	10–100 mm	10–100 mm	3–100 mm	0–20 kg

Milling

Technologies	Lotsize	Length	Width	Height	Diameter
Milling	1–500 k	0–3,000 mm	0–1,000 mm	0–500 mm	—
5-axis milling machines	1–1,000	0–3,000 mm	0–1,000 mm	0–500 mm	—
Form milling (3 D)	1–1,000	0–3,000 mm	0–1,000 mm	0–500 mm	—
Full-range milling (including turning)	1–10,000	10–600 mm	10–500 mm	2–250 mm	3–300 mm

Materials

Steel

Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel

Heavy metals

Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder

Light metals

Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys

Plastics/synthetic materials

ThermoplasticsAcrylic (PMMA)High performance plasticGlass fibre-reinforced plastic

Advanced Materials

Carbide