China Suppliers Factory Standard Open Flame Rock and Roll Machine for Large Hollow Products
Product Features
Open-flame rock and roll machines utilize direct flame combustion as their core heating method, typically employing natural gas or liquefied petroleum gas as the heat source. Combined with multi-directional rotation of the mold, this process ensures uniform melting and adhesion of the material to the inner walls. Featuring a simple structure and low initial equipment investment, these machines are particularly well-suited for producing large and extra-large hollow products such as storage tanks and water barrels.
Low in cost and covers a small area
Suitable for making large, simple and hollow products
It is easy to disassembly and rock angle ±45°
Easy operation makes it an ideal equipment for the initial stage of rotomolding practices
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Frequently Asked Questions
What types of products are best suited for open-flame rock and roll machines?
These machines are highly suitable for manufacturing large, simple, and hollow plastic products. Typical examples include water tanks, chemical storage barrels, and similar large-scale containers.
What are the primary heat sources used in this equipment?
Open-flame rock and roll machines utilize direct flame combustion, typically using natural gas or liquefied petroleum gas (LPG) as the main heating source.
What is the rocking angle range of this machine?
The machine features a rocking angle of ±45°, which ensures the raw material coats the interior of the mold evenly during the multi-directional rotation process.
Is this machine suitable for beginners in the rotomolding industry?
Yes, due to its simple structural design, low initial equipment investment, and straightforward operation, it is an ideal starter machine for those in the initial stages of rotomolding practice.
How does the machine achieve uniform wall thickness?
By combining direct open-flame heating with multi-directional rotation of the mold, the plastic material melts consistently and adheres uniformly to the inner walls of the mold.





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