Linear motion part is consist of sliding linear ball bearing and steel axle. This machine output in an axle, the run speed on axis is Non-uniform. The speed faster, the noise louder. Due to rotating lump is affected by gravity, the machine go and back speed is different.
eBay
Waterproof for Protection: With an waterproof, this heavy-duty linear actuator is designed to withstand harsh working conditions. This design makes it for easy to connect and set up the fast linear actuator for use.
eBay
12V 18" linear actuator. H eavy Duty Linear Actuator. 18" Extension. Built-in clutch prevents over-extending and over-compressing. Speed: 12mm /second. Xscorpion XLA-18.
eBay
1) The Linear Actuator is made of high-quality aluminum alloy material. 2) It is equipped with a strong 1000N motor, 12V input voltage and 3.8A maximum load current. 3) Linear Actuator Specification: Travel Speed = 0.39 inches/sec (10 mm/s) Stroke Length: 300mm (12") Retracted Length: 447mm (18") Extended Length: 747mm (29") Shaft: 20mm diameter Mounting Hole: 6mm diameter 4) Noise Level: 45~60dB 5) Built-in limit switch. 6) IP55-rated protection sealed against dust, water, and corrosion suitable for outdoor use. 7) Overcurrent protection, overload protection, and over-voltage protection.
eBay
MINIATURE LINEAR DC ACTUATORNEAR DC ACTUATORS. Operation Temperature:-26~65℃. Application: Furniture, Industry. We will do our best to help solve the problem. Australia ,New Zealand ,Korea South, Malaysia, Thailand, Philippines ,Singapore, Bruniei ,Taiwan, Macau, Indonesia.
eBay
Even though this actuator is rather compact and light it features a relatively high continuous torque output of 80 Ncm (110 oz-in). The CNC machined sealed cases, made of saltwater resistant aluminum, comply with the IP 67 standard for water/dust resistance and provide EMI/RFI shielding.
eBay
Reversing relay module. Forward and Reverse status indicating LED, forward status lighting red, reverse lighting green.
eBay
DIY Design Reciprocating Cycle Linear Actuator Motor. Linear motion part is consist of sliding linear ball bearing and steel axle. Axle need adds lubricating oil at regular intervals, in order to limited axle temperature less than 90 degrees, and oil wetness.
eBay