Machine quickly produces accurate patterns
An
Unimatic Engineers product story
Edited by the Engineeringtalk editorial team
Jun 10, 2008
The DW029 employs the sterolithography (SLA) technique, where the liquid resin is cured by the machine's ultraviolet laser but the process is accelerated by using a rapidly articulating mirror.
Unimatic's DW029 laser-based, rapid manufacturing machine suits the production of small, highly accurate patterns and offers both direct casting and rubber mould production capabilities.
It is intended for manufacturers of jewellery and medical items, such as dental patterns, where continuous production is required as opposed to prototyping.
Its high-throughput performance and precision ensure excellent surface finish combined with rapid payback.
The build platform can accommodate up to 70 patterns and, typically, this can be output during a single shift.
The time of manufacture depends upon the height of the patterns rather than the number of patterns involved.
The DW029 employs the sterolithography (SLA) technique, where the liquid resin is cured by the machine's ultraviolet laser but the process is accelerated by using a rapidly articulating mirror to direct the beam instead of manoeuvring the laser itself.
The process is further enhanced by using a new high-energy BluEdge laser which permits faster modelling speeds and promotes rapid curing.
This is complemented by a new generation of UV-photosensitive resins, suitable for either direct casting or rubber mould applications.
The resin can be investment cast in a standard cycle, with 100% burnout and zero ash residue.
There are no inkjets to clog in the system and there is only a single axis of movement and very few moving parts.
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