FLO/W35 Safety chuck with end shaft alternative Boschert
FLO/W35 is a type of square size core chuck, there are two pieces. One is with end shaft, another is without end shaft. It is made by Handong with good quality and high precision. This chuck can replace Boschert's manual chuck very well.
Safety chuck is a kind of holding shaft roller device, manual safety chuck can be divided into flange type safety chuck and pillow type safety chuck. These safety chuck can be mounted in horizontal and vertical. One set of this safety chuck with two pieces, one is without end shaft, another is with end shaft to connect with driving motor.
Standard safety chuck is simple, practical and easy mounting, convenient, fast and safe for reel shaft loading and unloading frequenctly. Driving kit insert reel mouth dimension can be customized as different matched machines and equipment. Reel shaft will not loose and slippage during work, sliding safety chuck's sliding stroke can be adjusted in axial movement by hand wheel. Axial suppoty bracket makes sure reel shaft safe and transmit high torque precisely.
Following is the structure and technical data of safety chuck:
| Model | STO/STW35 | FLO/FLW35 |
| Max loading weight (kg) | 1600 | 1600 |
| Max torque kh.m (N.m) | 35 (350) | 35 (350) |
| Reel end size (mm) | 30-40 | 30-40 |
| Weight (kgs) | 25 | 25 |
FLO/FLW Flange type safety chuck is widely applied in steel machinery, packaging machinery, printing machinery, textile machinery, wire machinery, winding machinery, machine tool equipment, plastic machinery, chemical machinery, paper making machinery, automatic equipment and other machinery. This safety chuck is usually matched with pneumatic shaft, pneumatic brake, combiflex brake, air caliper disc brake, hand brake or others device for winding and unwinding.
In this customer usage case, flange mounted safety chuck is connected with NAB pneumatic friction type brake and square bar. It is used in tire forming machine unwinding part for material tension control.