Delta 4X6 Horizontal Band Saw: Model Identification, Setup, and Common Repairs
You own a Delta 4x6 horizontal band saw and you need to identify the model, set it up, or repair it. The Delta 4x6 horizontal band saw is a horizontal metal cutting band saw. You need to know the specifications, setup, and common repairs.
The Delta 4x6 horizontal band saw is a horizontal metal cutting band saw made by Delta Machinery. It is designed for cutting metal pipe, tubing, bar stock, and angle iron. The 4x6 designation means it can cut material up to 4-1/2 inches round and 6 inches rectangular.
Model Identification
Delta 4x6 Horizontal Band Saw Models
| Model | Type | Blade Length | Motor | Notes |
|---|---|---|---|---|
| 28-146 | 4x6 horizontal | 64-1/2 inches (verify) | 1/2 HP, 120V | Popular |
| 28-147 | 4x6 horizontal (newer) | 64-1/2 inches (verify) | 1/2 HP, 120V | Updated |
| 28-148 | 4x6 horizontal (verify) | 64-1/2 inches (verify) | 1/2 HP, 120V | Less common |
How to Identify Your Model
- Find the model number on the label on the saw frame.
- If the label is missing, check for stamped numbers on the frame.
- Check the cut capacity: 4-1/2 x 6 inches = 4x6.
- Measure the blade length to help identify the model.
- Contact Delta customer service with any identifying numbers.
Specifications
| Specification | Value |
|---|---|
| Model | 28-146 / 28-147 |
| Type | Horizontal metal cutting band saw |
| Cut capacity (rectangular) | 4-1/2 x 6 inches |
| Cut capacity (round) | 4-1/2 inches |
| Blade length | 64-1/2 inches (verify) |
| Blade width | 1/2 to 3/4 inch |
| Motor | 1/2 HP, 120V |
| Speed | 3 or 4 speed, 80 to 200 FPM (verify) |
| Coolant | Yes (built-in coolant system) |
| Weight | ~150 to 200 pounds |
| Stand | Built-in stand with coolant tank base |
Setup
1. Position the Saw
- Place the saw on a level floor.
- Level the saw using the leveling feet.
- Bolt the saw to the floor if needed.
- Ensure adequate space around the saw for material handling.
2. Install the Blade
- Open the wheel covers.
- Release blade tension.
- Install the blade with teeth pointing toward the vise.
- Apply tension according to the blade width.
- Check tracking.
- Close the wheel covers.
3. Adjust Blade Guides
- Set side guides to the correct clearance for the blade width.
- Set thrust bearing behind the blade.
- Check guide alignment.
4. Fill the Coolant System
- Mix coolant concentrate with water according to the manufacturer instructions.
- Fill the coolant tank.
- Check for leaks.
- Turn on the coolant pump and check the flow.
5. Set the Speed
- Set the blade speed based on the material:
- Mild steel: 80 to 200 FPM
- Stainless steel: 60 to 100 FPM
- Aluminum: 200 to 400 FPM
- Adjust the speed by changing the belt position on the pulleys.
6. Adjust the Vise
- Check that the vise is square to the blade.
- Adjust the vise angle if needed.
- Check that the vise clamps material securely.
7. Test Cut
- Clamp a test piece in the vise.
- Turn on the saw and coolant.
- Lower the saw head onto the test piece.
- Check that the cut is smooth and the saw is cutting properly.
Blade Selection
Blade Length
The Delta 4x6 uses a 64-1/2 inch blade (verify).
Recommended TPI
| TPI | Best For | Material Thickness |
|---|---|---|
| 6 to 8 TPI | Thick solid bar | 1 to 4 inches |
| 10 TPI | General metal cutting | 1/4 to 2 inches |
| 14 TPI | Medium thickness | 1/8 to 1 inch |
| 18 TPI | Thin material | Under 1/4 inch |
| 10/14 variable pitch | Mixed thicknesses | All |
Blade Material
Bi-metal M42: Standard for general metal cutting. Bi-metal M51: For tough materials like stainless steel. Carbide-tipped: For production cutting.
Common Repairs
1. Blade Replacement
When: Cuts become rough or blade breaks. Cost: 15 to 40 dollars.
2. Coolant Pump Repair
When: Coolant pump does not work or flow is low. Cost: 30 to 80 dollars.
3. Drive Belt Replacement
When: Belt is cracked, stretched, or slipping. Cost: 10 to 20 dollars.
4. Blade Guide Replacement
When: Guides are worn and blade wanders. Cost: 20 to 50 dollars.
5. Switch Replacement
When: Switch does not work or is intermittent. Cost: 10 to 20 dollars.
6. Downfeed Control Repair
When: Downfeed is erratic or too fast. Cost: 30 to 80 dollars.
7. Vise Repair
When: Vise does not clamp securely or is misaligned. Cost: 20 to 60 dollars.
Maintenance
Daily: Clean chips from the table and blade area. Check the blade. Check the coolant level. Weekly: Clean the blade guides. Check the coolant concentration. Check the drive belt. Monthly: Check all bolts and fasteners. Lubricate the vise screw and pivot points. Annually: Check the motor. Inspect the coolant pump. Replace the drive belt if worn. Check the blade guides.
FAQ
What blade does the Delta 4x6 horizontal band saw use?
A 64-1/2 inch blade (verify), 1/2 to 3/4 inch wide. Use bi-metal M42 for general metal cutting. Check the manual to confirm the blade length.
Can I cut stainless steel with the Delta 4x6 horizontal band saw?
Yes, with a bi-metal M42 or M51 blade at a slower speed (60 to 100 FPM). Use coolant to prevent work hardening. Feed slowly and do not force the cut.
Where can I find parts for my Delta 4x6 horizontal band saw?
Delta customer service, industrial supply companies (MSC, Grainger), Amazon, and eBay. Blades are widely available. Model-specific parts are available from Delta.
References
- Delta Machinery. “4x6 Horizontal Band Saw Owner’s Manual.” deltamachinery.com.
- LENOX Tools. “Metal Cutting Blade Guide.” LENOX Industrial Division.
- Practical Machinist. “4x6 Horizontal Band Saw Guide.” practicalmachinist.com.
- eReplacementParts. “Delta Band Saw Parts.” eReplacementParts.com.
- Modern Machine Shop. “Band Saw Cutting Speeds and Feeds.” Gardner Business Media.
