Upgrade your DeWalt DW733 12.5" Thickness Planer OEM by switching to spiral cutterheads for a variety of benefits.
Here are some advantages you can expect:
- Achieve a higher quality finish without any tear-out. The inserts on the cutterhead are angled along the helix in a staggered way, allowing for shear-cut effects on even the most complex hardwood.
- Enjoy a significant reduction in noise as the spiral cutterhead maintains constant contact with the board with only a few knives.
- Benefit from solid tungsten carbide cutters that are much harder and stay sharper for longer than high-speed steel blades. If one edge is chipped or dull, simply rotate it 90° for a fresh, sharp edge. Each insert has four cutting edges and can be used four times.
- Experience an easy setup process. The indexable carbide inserts are precisely ground to a tight tolerance and can be interchanged. Loosen the screws, rotate 90°, and tighten the inserts in minutes. The inserts can be accurately positioned using the taper hole-style locking.
- Remove shorter and thinner materials with smaller carbide inserts, making dust extraction much easier.
- Save money in the long term as spiral cutterheads are cheaper to use and can pay for themselves in a short amount of time.
The Spiral Cutterhead Kit includes:
- A high-tensile-strength alloy steel cutter block.
- 40 carbide inserts for installation.
- A pair of Japan-sealed bearings.
- 5 extra carbide inserts and screws as spare parts.
- 1 wrench.
Carbide inserts are removed after dynamic balance. Place the cutter block inside the headstock. Install the carbide inserts as per the following manual or video.
How to Change Knives Manual
How to change Carbide Inserts Video
Do I need to replace the original bearings?
If the bearings in your machine are in good condition, they can be reused by carefully removing them with a bearing or pulley puller. However, if the bearings are tightly pressed onto the shaft, removal may cause damage. To minimize this risk, we recommend replacing old bearings with our greased and sealed bearings, designed for long-lasting performance. For a smooth upgrade, we suggest adding the bearings to your shopping cart before completing your purchase.
We provide premium bearings from NSK, SKF, NTN, FAG, Timken. They are renowned for their high quality and performance, designed to provide durability and reliability in various applications
If you add the bearings to your order, we will preinstall them for you when premounting is possible, saving you the hassle of doing it yourself.
Do I need to to Add a Few Boxes of Carbide Inserts
We provide 5 carbide inserts and 5 screws as spare parts. However, many of our customers choose to purchase additional boxes, as the shipping costs for separate purchases can make it less economical.
Do I need a Torque Wrench?
To securely lock the carbide inserts, we recommend applying a torque of 48 to 52 Pound-Inches (or 5.42 to 5.88 Newton-Meters). (Note: 1 Newton-Meter is equal to 8.851 Pound-Inches, and 1 Pound-Inch is approximately 0.113 Newton-Meters.) It is crucial not to apply excessive torque, as this could cause the carbide inserts to crack or explode. On the other hand, using too little torque may result in the inserts not being properly secured, which could lead to cracks, shattering, or uneven height on the cutter block, causing ridges or lines on the board.
If one person is responsible for maintaining the machine, they can typically apply the same torque consistently without a torque wrench. However, when multiple people are involved in machine maintenance, ensuring uniform torque application can be challenging. For consistency and peace of mind, we recommend using a torque wrench.
What kind of steel the cutter block is made of?
The cutter block is constructed using GB/T 40Cr, a structural alloy steel of the same caliber as ASTM grade 5140, AISI 5140, SAE 5140, DIN 41Cr4, BS 41Cr4, JIS SCr440, and EN 41Cr4.The primary components of this steel are as follows: carbon (C) at a range of 0.37-0.44%, silicon (Si) between 0.17-0.37%, manganese (Mn) within 0.50-0.80%, and chromium (Cr) from 0.80-1.10%.
In terms of physical properties, this steel exhibits a tensile strength range of 115-234σb/MPa, a yield strength of 2σ 0.2 ≥/MPa, and an elongation capacity of 65 δ5≥ (%). It also has a HBS range of 123-321 and a HRC rating of 30.
This alloy steel is frequently utilized in low to moderately stressed components for machines, engines, and vehicles.
