In order to ensure the machining accuracy of the roller workpiece shown in Figure 1, a rubber expansion mandrel is designed, as shown in Figure 2. The mandrel conveniently satisfies the requirements of the coaxiality of the hole φ74_0~(+0.035)mm at both ends of the workpiece and the outer diameter φ80_(-0.05)~(+0)mm and the parallelism of the end faces. The mandrel is mainly composed of a chicken core chuck 1, a long shaft 2, a compression ring 3 and 8, a rubber ring 4 and 7,
Grow Light Led 600w, with 6pcs boards, each board 350pcs led, high power grow light works well for large area, such as grow tent, hydroponic, We have samsung LM301B/LM301H led, also Samsung 5730 led, meanwell driver/normal driver available here.
Application:
Quantum board LED grow lights is a great ideal for all kinds of indoor garden plants: lettuce, orchid, organic herbs, pepper, strawberries, succulent, hydroponic, medical plants.
Hydroponic Grow Lights,Full Spectrum Led Lights,Succulent Grow Light,Sun Lamp For Plants
Shenzhen Wenyi Lighting Technology Co., Ltd , https://www.szwygrow.com