High Quality Vacuum Sigma Soap Mixer Machine

Tangential ‘Z’-type (sigma) kneading blades rotate accurately toward each other at different speeds, transferring product from one end of the trough to the other. This creates bulk movement, stretching, folding, dividing, and recombining of the material, along with shearing against the blades and side walls. Finished product is discharged by tilting the container, through bottom valves, or via an extrusion screw.

The machine is offered in Stainless Steel 316, Stainless Steel 304, and Mild Steel. Stainless-steel contact parts can be finished in matt or mirror polish as required; mild-steel versions receive one coat of red oxide and two coats of epoxy paint.

Models range from ASM-50 (approximately 50 liters working / 80 liters gross capacity) to ASM-3000 (approximately 3000 liters working / 3800 liters gross capacity). Motor power is available in general or heavy-duty ratings and can be adjusted to the customer’s local voltage requirements.

Discharge can be manual via a hand-wheel-operated mechanism or automatic via a hydraulically operated system. Additional options include an automatic valve discharge system or a screw (extrusion) system for controlled product removal.

Yes. A jacket for heating or cooling applications is available, complete with mineral-wool insulation and cladding. An optional blade-cooling arrangement can also be fitted to manage heat buildup when processing viscous soap compounds.

In the tangential design (preferred for higher-viscosity materials such as soap masses), the blades meet tangentially and typically rotate at different speeds (often a 3:2 ratio). Overlapping blades rotate at the same speed, suit lower-viscosity materials, and provide faster material interchange but lower kneading and shearing action.

Key features include tangential Z-blades for uniform mixing, PTFE shaft sealing for food-grade compatibility, a minimum gap between the trough inner shell and the blades to eliminate sticking, and heavy-duty construction that supports thorough cleaning and long-term reliability.

Available options include a liquid spray system, vacuum system, blades-cooling arrangement, screw discharge system, and automatic valve discharge system. Custom heating/cooling jackets and specialized configurations can also be supplied on request.

Besides soap manufacturing, the machine is suitable for the pharmaceutical, nutraceutical, herbal, Ayurvedic, biotech, cosmetic, and chemical industries wherever thorough blending of high-viscosity pastes or dough-like materials is required.