Product Overview

Small batches and additives still need accurate, repeatable feeding. This mini screw feeder uses a 76mm stainless micro auger and a 15 litre hopper, driven by a variable frequency motor so the output can be trimmed from a few kilos to 500 kg per hour. It is compact enough for a laboratory bench and robust enough for a pilot production line.

Key Features

• 76mm SUS304 micro auger with 60mm pitch for stable, pulsation-free dosing of fine powder.
• Variable frequency drive with 0-60 r/min adjustment, calibration curve supplied with each unit.
• 15 litre stainless hopper with lid, easy to dismantle for cleaning between products.
• Quick release discharge tube, no tools needed to swap the dosing screw.
• Aluminium alloy frame with adjustable feet and height-adjustable discharge spout.
• 220V single phase motor, plug into any laboratory socket.

Technical Parameters

Note: all dimensions, capacity and motor power are customized according to the material bulk density, conveying distance and installation angle.

Applications

• Laboratories - sample preparation and additive dosing
• Pilot lines - small batch powder feeding before mixing
• Food and pharmaceutical - colourant, vitamin and premix dosing
• 3D printing and battery research - powder micro feeding

Selection & Customization

For accurate dosing please tell us the material bulk density, target output in kg/h and the required accuracy. We can supply a weighing platform, a loss-in-weight control option and a 316L stainless contact part version for corrosive or food grade products.

Packing & Delivery

The machine is wrapped with waterproof film, fixed on a steel pallet and packed in a fumigation-free export wooden case. Spare parts, motor and control cabinet are packed separately. Delivery time is 7-15 working days after deposit, shipping by sea, rail or air per your forwarder.

FAQ

Q: How accurate is the dosing?

A: With a variable frequency drive and a calibrated screw, repeatability is typically within plus or minus 2% of the set output for free flowing powder.

Q: Can it dose cohesive powder?

A: Yes, with the optional vibrator on the hopper and a larger pitch screw; please send us a sample description so we can advise.