Design of pneumatic grinding machine and circular eccentric polishing machine

【Multi-functional Speed Control, High-Efficiency Operation】: This sander features a built-in speed controller, with a maximum speed of 10,000 rpm, efficiently handling both rough surfaces and fine sanding. 【Eccentric Motion, High-Efficiency Sanding】: The sander utilizes a 5mm eccentric circle design to ensure highly efficient sanding results. A metal casing and a powerful internal alloy rotor guarantee its durability. 【Compact Design, Better Handling】: Ergonomically designed for comfortable grip, this pneumatic sander is lightweight and portable, with a 5-inch/6-inch diameter body for a comfortable grip and easy, precise operation. 【Wide Applications】: Suitable for a variety of materials, including furniture, metal products, painted surfaces, and fiberglass, this pneumatic sander is an essential tool for coarse, medium, and fine sanding, and even cutting. 【Practical Sandpaper Changing System】: This pneumatic sander features a self-adhesive chassis for quick and easy changes to sandpaper and polishing pads, saving time when switching tasks. Specifications: Grinding Type: Vacuum/Non-vacuum (optional) Body Diameter: 125 mm (5 inches) / 150 mm (6 inches) (optional) Material: Metal + ABS Threaded Connection: 1/4" Deflection Diameter: 5 mm Air Pressure: 0.63 MPa No-load Speed: 10,000 rpm Exhaust Method: Rear Exhaust Air Consumption: 0.3 cubic meters/minute Vacuum Hose Length: 1.2 meters Product Dimensions: 190 * 165 * 120 mm / 7.48 * 6.49 * 4.72 inches Package Weight: 1400 g / 3.08 lbs Package Dimensions: 23.5 * 15.5 * 11 cm / 9.25 * 6.10 * 4.33 inches Package List: 1 * Pneumatic Grinder 1 * Dust Collection Hose (1.2 m) 1 * Vacuum Key 1 * Dust Bag 1 User Manual (English)