FOUR MACHINE PLATFORMS

Cold Press Machines

We manufacture arrayed-diamond and non-arrayed cold press machines in multi-station rotary-disc and single-station linear configurations for specific production needs.

Large-scale and small-batch productionSegments with a base layer for laser weldingConsistent base-layer height across curvature

3DA-5L

Multi-station Rotary Disc Cold Press Machine for Arrayed Diamond Segments

An all-in-one system for efficient segment production with precise working-powder and diamond-powder control.

Productivity

320 5-layer segments per hour

Features

Diamond suction rate over 98%.
Digital imaging and automatic weighing and sorting support density consistency after sintering.
Diamond sizes from 20/25 to 50/60.
Changeable components support a wide product range.

Technical details

Power supply: AC 380V
Power: 13 kW
Main machine pressure: 20 T
Pre-pressing pressure: 1 T
Maximum component size: 8 cm square
Air consumption: 0.5–0.8 MPa, 0.1 m³/min
Vacuum: −0.06–0.08 MPa, 0.5 m³/min
Dimensions: Ø2050 × 2210H mm

3DA-3-5SL

Single-station Linear Cold Press Machine for Arrayed Diamond Segments

Designed for small-scale production and prototyping.

Productivity

50 seconds to produce a 5-layer segment

Features

Precise control of working powder and diamond powder.
Diamond suction rate over 98%.
Digital imaging and automatic weighing and sorting support density consistency after sintering.
Diamond sizes from 20/25 to 50/60.
Changeable components support a wide product range.

Technical details

Power supply: AC 380V
Power: 12 kW
Maximum pressure: 15 T
Maximum component size: 9 cm square
Air consumption: 0.5–0.8 MPa, 0.06 m³/min
Vacuum: −0.06–0.08 MPa, 0.2 m³/min
Dimensions: 2423L × 1000W × 2060H mm

NA-7L

Multi-station Rotary Disc Cold Press Machine for Non-arrayed Diamond Segments

Produces ultra-thin segments, as thin as 1.2 mm after sintering, with a base layer for laser welding. Intended for jade, semiconductor materials and porcelain slabs.

Productivity

600 7-layer segments per hour

Features

Ultra-thin layers with evenly distributed powders.
For 7-layer segments, diamonds are typically embedded in layers 1, 3, 5 and 7.

Technical details

Machine dimensions: L2000 × W1813 × H2278 mm
Machine weight: 2300 kg
Machine power: 11 kW
Hydraulic pump power: 9 kW
Maximum hydraulic pressure: 16 MPa
Power supply voltage: AC 380V
Air pressure: 0.5–0.6 MPa
Air flow rate: 0.95 m³/min

NA-SL

Single-station Linear Cold Press Machine for Non-arrayed Diamond Segments

A streamlined linear model that produces ultra-thin segments, as thin as 1.2 mm after sintering, with a laser-welding base layer.

Productivity

5 seconds to produce one layer

Features

Ultra-thin layers with evenly distributed powders.

Technical details

Machine dimensions: L1675 × W1150 × H2030 mm
Machine weight: 850 kg
Machine power: 11 kW
Hydraulic pump power: 9 kW
Maximum hydraulic pressure: 16 MPa
Power supply voltage: AC 380V
Air pressure: 0.5–0.6 MPa
Air flow rate: 0.7 m³/min

IN OPERATION

Machine operation footage

Both videos play only on request and include sound controls.

Machine operation demonstration

Arrayed diamond cold press machine demonstration