Frequency-optimized spindle for lines standardizing on 400 Hz VFD settings and stable torque under load.
■ Product Description
■ Technical Parameters
| Model | STFB35-68-0.75-A |
| Power | 0.75kW |
| Voltage | 220/380V |
| Current | 3.0/1.75A |
| Poles | 2 |
| Torque | 0.4Nm |
| Speed | 18000rpm |
| Frequency | 300Hz |
| Cooling | Air |
■ Product Advantages
High Speed and High Precision
Specifically designed for high-speed fine trimming in woodworking, typically featuring extremely high rotation speeds (e.g., 12,000 - 24,000 RPM) to ensure a smooth, burr-free trimming surface.
High Stability and Low Runout
Uses high-precision bearings and undergoes strict dynamic balancing calibration. Features minimal vibration during high-speed operation and high radial runout accuracy.
Compact and Sleek Design
Saves installation space.
Reversible Rotation (Left/Right Thread) Characteristics
Many trimming units require spindles designed with left-hand and right-hand threads (or reversible rotation) to ensure the cutting force consistently tightens the tool, guaranteeing safe operation.
■ Application Scenarios
Panel Furniture Manufacturing
Products requiring high edge-banding quality, such as cabinets, wardrobes, office furniture, and TV stands.
Interior Decoration Material Processing
Trimming the edges of door panels, molding, and decorative panels.
Custom Home Production Lines
Batch, diversified edge banding and fine edge finishing of panels.
■ Adapted Equipment
● Fully Automatic Edge Banding Machines
Used to trim the upper and lower edges of the edge band, removing excess material to make it flush with the panel edge.
Used for precise tracking and trimming of irregularly shaped panel edges (such as round corners or bevels). Requires a compact spindle structure and quick response.
■ Quick specs
| Power class | 0.55–0.75 kW | Cooling | Air | Duty | **Continuous capable |
■ Application Scenarios
Batch production where cycle time and repeatability matter
■ Recommended window
● Electrical: up to 400 Hz vector control
● Mechanical speed: ~12,000–20,000 rpm (application-dependent)
● Tooling: ER20 capable for broader cutter options
■ Design highlights
Stiffer 40-series housing, reinforced flange, low-whine dynamic balance; shielded cabling for clean signals at higher carrier frequencies.
■ Drive tips
Use vector V/F or closed-loop; enable S-curve ramps to tame corner nibs; carrier 8–10 kHz balances heat and acoustics.
■ FAQ
Q: How to distinguish between left-hand and right-hand threads?A: Left-hand threaded motors rotate clockwise, while right-hand ones rotate counter-clockwise.
Q: Why are there left-hand and right-hand threads?A: This is to ensure that during high-speed rotation, the cutting force tightens the tool rather than causing it to come loose.
Q: What to do if the spindle makes an unusual noise?A: Stop the machine immediately and inspect it. It could be due to an unstable tool mounting or a problem with the spindle's internal bearings.
Q: What kind of daily maintenance is needed?A: Keep the spindle and tools clean, regularly check for loose screws, and avoid hitting the workpiece.
Q: What causes a poor trimming result?A: This could be caused by a dull tool, spindle vibration, or the machine's feed rate being too fast.
