German Sauter Feinmechanik encoder, Sauter Feinmechanik model, Sauter Feinmechanik price

Sauter Feinmechanik encoders use a photoelectric pulse generator synchronized with the spindle, transmitting synchronously via gears on an intermediate shaft in a 1:1 ratio. There is no direct mechanical connection between the rotation of the CNC lathe spindle and the feed motion. To machine threads, the number of pulses given to the feed servo motor must correspond to the spindle speed; the spindle pulse generator serves to link spindle rotation with feed motion. Threads are continuous ridges and grooves with identical cross-sectional profiles formed along a helix on cylindrical or conical surfaces. Threads formed on cylindrical surfaces are called cylindrical threads, and those formed on conical surfaces are called conical threads. Threads formed on the outer surface of a body of revolution are called external threads, and those formed on the inner surface are called internal threads. There are many methods for machining threads. When threading on a lathe, the lathe clamps the cylindrical workpiece with a three-jaw chuck and drives it to rotate at a constant speed. The lathe feed mechanism drives the turning tool (standard thread turning tool) to move in a straight line at a constant speed along the cylinder axis. The tool tip cuts triangular grooves into the workpiece surface to form triangular threads. During thread machining, there is a trajectory start point (A point, i.e., the tool entry point) and a trajectory end point (B point, i.e., the tool exit point). In the thread machining trajectory, sufficient acceleration entry distance δ and deceleration exit distance δˊ are set to ensure thread quality and eliminate pitch errors caused by servo lag.

Sauter Feinmechanik Encoder Introduction

A detector that outputs angular data within one motor revolution to an external target. Absolute encoders can generally output 360 ° with 8 to 12 bits. Incremental encoders have a disadvantage: they lose axis position in the event of a power failure. However, absolute encoders do not lose axis position even if a power failure occurs. Various codes can be output, such as binary code and BCD code. Absolute encoders are more expensive, more precise, and larger than incremental encoders. The optical code disk of an absolute encoder has many light channel tracks. Each track is arranged sequentially with 2 lines, 4 lines, 8 lines, and 16 lines. At each position of the encoder, by reading the light and dark states of each track, a unique 2-ary code (Gray code) is obtained, ranging from the zeroth power of 2 to the n-1th power of 2. The absolute encoder determines the code based on mechanical position; it requires no memory, no reference point search, and no continuous counting. The position is read only when needed. Absolute encoders have a measuring range and are suitable for use on certain special-purpose machine tools.

Sauter Feinmechanik Encoder Working Principle

The optical code disk of the series absolute encoder has many light channel lines. Each line is arranged sequentially with 2 lines, 4 lines, 8 lines, and 16 lines. At each position of the encoder, by reading the light and dark states of each line, a unique 2-ary code (Gray code) is obtained, ranging from the zeroth power of 2 to the n-1-th power of 2. This is called an n-bit absolute encoder. Such an encoder is determined by the mechanical position of the optical code disk and is unaffected by power outages or interference. The absolute encoder determines the code based on mechanical position. It requires no memory, no reference point search, and no continuous counting. It reads the position whenever needed. Thus, the anti-interference characteristics and data reliability of the encoder are greatly improved.

Sauter Feinmechanik Encoder Troubleshooting

Encoder internal fault: This refers to a failure of the encoder's own components, preventing it from generating and outputting correct waveforms. In this case, the encoder or its internal components must be replaced or repaired. Encoder connection cable fault: This fault occurs most frequently and is often encountered during maintenance, so it should be the primary consideration. It is usually caused by open circuits, short circuits, or poor contact in the encoder cable. In this case, the cable or connector must be replaced. Special attention should be paid to whether loose cable fixing causes loosening, leading to open solder joints or open circuits. If so, the cable must be clamped tightly. Encoder +5V power drop: This refers to the +5V power supply being too low, typically not lower than 4.75V. The cause of the low voltage is usually a power supply fault or excessive resistance in the power transmission cable causing loss. In this case, the power supply must be repaired or the cable replaced. Absolute encoder battery voltage drop: This fault usually triggers a clear alarm. The battery must be replaced. If the reference point position memory is lost, the return-to-reference-point operation must be performed. Encoder cable shield wire not connected or detached: This introduces interference signals, making the waveform unstable and affecting communication accuracy. Reliable welding and grounding of the shield wire must be ensured. Loose encoder installation: This fault affects position control accuracy, causing excessive position deviation during stopping and movement, and may even trigger a servo system overload alarm immediately upon startup. Please pay special attention. Grating contamination: This reduces the signal output amplitude. Oil stains must be gently wiped off with degreasing cotton dipped in anhydrous alcohol.

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