Numerous decisions are involved with the selection of a CNC router, and the mechanical aspects are an important contributor to received quality. This equipment is obtainable with one of two types of motors—stepper or servo. A buyer must evaluate these essential components based on its capabilities and how it affects the cost of a machine. Steppers are a brushless direct current electrical motor designed to perform a full rotation in a series of equally divided steps. It remains at a location once its position has been directed to a specific step without the assistance of a feedback sensor. They undergo continuous rotations as voltage is applied through an outside circuit to a series of electromagnets. Servo models include an encoder to provide feedback about exact position and speed. A buyer must be familiar with the type of motor installed in a used woodworking machine for sale to affirm the right purchase is made.
The Benefits and Drawbacks of Each Used Woodworking Machine for Sale
Both motors have their own specific advantages, and a buyer must assess the pros and cons extensively to select the most appropriate used woodworking machine for sale. A stepper model delivers the following benefits:
- Increased Stability
- Requires No Feedback
- Less Expensive
- Reduced Part Wear
- Standardized Performance
- Easy Setup
- Longer Usage Life
- Dependable Low Speed Torque
- Meets the Demands of Repetitive Operations
CNC routers with a stepper design offer enhanced safety because the electrically powered portion cannot be damaged during an overload situation, and the motor stops when any complications arise. The supplied low speed torque allows a higher number of loads to be driven without speed changes. They are easier to set up and supply a degree of user friendliness not delivered by the alternative. Stepper designs are capable of driving a wider span of load types, and have been standardized to meet various frame sizes or performance level needs.
While these benefits could sell the idea of buying a used woodworking machine for sale with a stepper design, servo models offer their own set of advantages to certain types of production facilities. They supply a higher output power where the overall size and weight of the motor is concerned. The encoder delivers improved accuracy during cutting procedures, with the heightened rate reaching as much as ninety percent when running lighter loads. Servo designs are capable of rapid acceleration, have reserve power, stay cooler, are applicable for high-speed torque, and function quietly even when operating at immense speeds.
CNC routers with a servomotor experience no vibration or resonance as procedures are completed. Selection factors such as torque, efficiency, and speed affect the received final product. Steppers deliver a lower degree of efficiency along with a lower accuracy rate; however, they offer the most affordable option when considering price. Servos are costly, less safe, and must be serviced more often due to brush wear. Even with these drawbacks, servo models have their place in the world of woodworking production. It is important to understand the capabilities of each design when making a purchasing decision.
