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Selective Laser Sintering Machine

Country/Region china
Company Shaanxi Hengtong Intelligent Machine Co., Ltd
Categories Laser Treatment Machine
ICP License Issued by the Chinese Ministry
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Selective Laser Sintering Machine

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Selective Laser Sintering Machine

Time:2015-07-24 10:31:59Hit:2298

1. Product profile

SLS1200 is a double-light source rapid prototyping machine, with resin coated sand as raw material for die-free core/shell making. It is suitable for the production of small-lot complex casting, which was previously impossible to product by traditional ways. The machine is highly cost-effective and time-efficient.

2. Features

* With the principle of additive manufacturing, the CAD data shall control the laser to sinter the resin coated sand, thereby rapidly and accurately making prototypes with any random geometry.

* Regardless the complexity, pattern-less fabrication can be realized. The mould can be made rapidly without any restraint in respect of complex internal structure or outer shape,

3. Sand mould samples:

4. Working principle

This process includes following steps: firstly, the solid model of the shell mould for investment casting is reversely deduced from the solid model of the casting, and then applying SLS directly to sinter resin coated sand for forming the shell mould. Thirdly, post-treatment is done to the mould. The wheel-shaped castings of aluminum, iron and steel were cast successfully. Subsequently, some problems related to the process, such as sintering parameters, relative size accuracy,were analyzed and studied. Thus the manufacture of pattern-less sand mould based on SLS resin coated sand had been realized, which provide an economic, rapid and advanced manufacturing technique for the production of single and small batch complex casting.

5. SLS1200B main technical specification


SLS processing



100W CO2 gas laser



Optical system

Max.scanning speed


Spot light dia.


Z axis


Precision lead screw and motor drive

Recoater blade


Automatically feeding system

Power detector


Setting on line

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