
SN7
CHAIN LIMBERING MACHINE
The SN7 Chain Limbering Machine by Ciemmeo is an automatic system designed to straighten and limber hammered chains of any section, including round, square, oval, or triangular shapes.
It ensures perfect alignment, flexibility, and structural integrity after the hammering process.
Automatic Chain Limbering System
This chain limbering machine performs a full 360° adjustable limbering and straightening action, allowing precise control over the radius and tension applied to each chain.
The adjustable mechanism makes it possible to process a wide variety of chain types and sizes.
Equipped with pushing and pulling motors, the SN7 operates with smooth and continuous motion, maintaining uniform chain quality even at high speed.
It includes a clutch and chain drawing system for constant feeding, while an optional winding unit can be added for automatic collection.
Advantages Of The SN7 Chain Limbering Machine
The SN7 Chain Limbering Machine provides full control over chain shape and flexibility, eliminating twisting and residual stress caused by hammering.
It enhances chain smoothness and tension balance, delivering consistent performance with minimal maintenance.
Designed to handle all precious metal chains up to 24 kt, the SN7 offers precision, durability, and easy operation in a compact structure.
Main Features – SN7 – Chain Limbering Machine

Limbers round, square & oval hammered chains

Compensates spiralling

Chain Ø up to 4 mm

Pushing and pulling motors
Technical Data – SN7 – Chain Limbering Machine
Production speed | 4.5 m/min. |
Chain Ø | 4 mm |
Voltage | 230 V 50/60 Hz |
Power | 1 kW |
Dimensions | 76 x 60 x 88 (h) cm – 57 kg |
Packing | 90 x 62 x 78 (h) cm – 92 kg |
Note: The above data, features and characteristics are not binding. Ciemmeo s.r.l. retains the right to vary them at any time without prior notice.
Learn more about jewellery chains and explore our complete range of chain manufacturing machinery by Ciemmeo.




