CANTEK | SR43DDA 43" Three Head Wide Belt Sander (75" Belt)

CANTEK SR43DDA 43″ Three Head Wide Belt Sander (75″ Belt) — FAQs

1. What is the CANTEK SR43DDA 43″ Three Head Wide Belt Sander?

The SR43DDA is an industrial 43″ wide belt sanding machine with three independently configured sanding heads designed to provide high-quality surface calibration and finish sanding in a single pass.:contentReference[oaicite:1]{index=1}

2. How does the three head configuration benefit sanding?

Three sanding heads reduce the number of passes required by combining calibration, intermediate sanding, and finish operations into one workflow, boosting throughput and efficiency.:contentReference[oaicite:2]{index=2}

3. What materials can this sander process?

This machine is suitable for plywood, MDF, particleboard, solid wood, veneers, composites, and other panel goods commonly used in cabinetry and millwork.:contentReference[oaicite:3]{index=3}

4. What is the sanding belt size?

The abrasive belt size is 43″ × 75″ (1092 × 1905 mm), allowing longer runs between belt changes.:contentReference[oaicite:4]{index=4}

5. What are the sanding head configurations?

The first head features a robust steel contact drum; the second is a versatile rubber contact drum; and the third is a combination head with rubber contact drum plus an adjustable platen for calibration and finish sanding.:contentReference[oaicite:5]{index=5}

6. How does the digital thickness control work?

The sander includes a quick-setting digital thickness control with both inch and metric settings that automatically adjusts the table to the desired thickness for precise sanding results.:contentReference[oaicite:6]{index=6}

7. What is the working width?

The machine’s working width is 42″ (920 mm), suitable for standard cabinet and panel dimensions.:contentReference[oaicite:7]{index=7}

8. What is the minimum part length?

The minimum part length the sander can process is 16.9″ (430 mm).:contentReference[oaicite:8]{index=8}

9. What maximum thickness can be sanded?

The maximum thickness opening is approximately 4.7″ (120 mm), accommodating thicker panel stocks.:contentReference[oaicite:9]{index=9}

10. What feed speed range does the machine support?

Variable feed speed is adjustable from 13 to 59 feet per minute (4–18 m/min), allowing operators to choose optimal sanding speed based on material and finish requirements.:contentReference[oaicite:10]{index=10}

11. What motors power the sanding heads?

The three sanding heads are powered by heavy-duty motors: 30 HP for the first, 25 HP for the second, and 20 HP for the third, supporting continuous production.:contentReference[oaicite:11]{index=11}

12. How is dust handled during sanding?

The SR43DDA has 12 dust outlets sized at 5″ (127 mm) that connect to a central dust collection system—recommended at around 8,063 CFM—for effective dust extraction.:contentReference[oaicite:12]{index=12}

13. What hold-down and conveyor features are included?

Dual rubber-covered pressure rollers on both infeed and outfeed provide consistent panel hold down, and a high-quality rubber conveyor with automatic pneumatic belt tracking ensures smooth material feed.:contentReference[oaicite:13]{index=13}

14. How is the table adjusted?

The work table is raised and lowered using four heavy-duty jackscrews driven by a robust chain system, ensuring precision and stability during sanding.:contentReference[oaicite:14]{index=14}

15. Does the sander support quick belt changes?

Yes. It features pneumatic belt tensioning and quick-release outboard support for fast abrasive belt changes and reduced downtime.:contentReference[oaicite:15]{index=15}

16. What safety features are included?

Safety switches on all access doors and automatic disc brakes for sanding heads enhance operator safety and machine protection during operation and maintenance.:contentReference[oaicite:16]{index=16}

17. What are the electrical and compressed air requirements?

Typical compressed air requirement is 85 PSI and 18 CFM; electrical system uses industrial-grade Schneider controls. Actual power configuration is dependent on shop electrical service.:contentReference[oaicite:17]{index=17}

18. What is the net weight and size of the machine?

The SR43DDA weighs approximately 9,259 lbs (4,200 kg) with overall dimensions around 98″ × 71″ × 79″ (2500 × 1820 × 2025 mm).:contentReference[oaicite:18]{index=18}

19. Is the SR43DDA suitable for multi-shift or high-volume production?

Yes. Its heavy-duty welded steel frame, industrial motors, and triple head configuration make it capable of thriving in multi-shift, high-throughput environments.:contentReference[oaicite:19]{index=19}

20. Is service and support available?

CANTEK wide belt sanders are supported by authorized dealers and service partners like Centex Automation, offering installation, training, spare parts, and ongoing support across North America.:contentReference[oaicite:20]{index=20}