The central component of all soft-serve machines is the barrel where the ice cream is made. Every manufacturer has their unique design for the cylinder that is used for freezing as well as the beater or dasher bar which mixes and moves the ice cream into an ice cream dispensing head.
There are two kinds of beater bar designs that are low displacement and high displacement. High-displacement beaters tend to be made for batch, hard-pack ice cream manufacturing. However, some companies employ them in soft-serve machines to boost the machine's performance. You can browse to https://brullen.co/ to buy soft serve machine.
Based on the kind of product you wish to serve, the speed of the dasher bar's motor should be taken into consideration. If you are planning to serve products that have more butterfat, a faster motor might cause too much churning within the barrel.
Blades that are attached with the bar that scrape mixture away from the wall of the barrel when it is frozen. They are usually made of some kind of plastic but they wear out and if the worn blades create a frozen mix on the barrel's walls, the machine is able to operate more and less efficiently.
To ensure that blades are sharp, some makers use "self-sharpening" blades. Other manufacturers attach blades to the dasher by using a calibrated spring. This puts pressure continuously on the blade while it wears, pressing it tight against the cylinder's wall.
Soft serve equipment that has a condenser remote, typically mounted on the roof, disperse part of the warmth from outside. However, you will need the space through the roof to connect the refrigerant lines.