Sheartak Spiral Cutterhead for EJCA L38/310 Planer Thicknesser
Upgrade your EJCA L38/310 Planer Thicknesser with a premium Sheartak Spiral Cutterhead for smoother cuts, longer tool life, and reduced maintenance. This cutterhead is equipped with 65 premium carbide inserts arranged on 5 spiral rows to deliver an exceptional shear-cut finish while reducing noise and cutting resistance.
Each cutterhead includes 5 extra carbide inserts and 5 replacement screws as spare parts.
We ship worldwide via Canada Post, USPS, and UPS.
Features
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Produces an exceptionally smooth, glass-like surface finish.
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Shear-cut geometry minimizes tear-out, even on highly figured hardwoods and softwoods.
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65 precision-ground carbide inserts arranged on 5 spiral rows for consistent cutting performance.
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Each carbide insert has four cutting edges and can be rotated up to three times before replacement.
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Eliminates the need for sharpening and knife setting.
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Premium carbide inserts remain sharp up to 50 times longer than conventional high-speed steel (HSS) knives.
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Smaller chips improve dust collection efficiency and reduce clogging.
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Lower cutting noise and smoother machine operation than traditional straight-knife cutterheads.
Warranty
All Sheartak spiral cutterheads are backed by a one-year warranty against manufacturing defects in materials and workmanship from the date of purchase.
Consumable items, including carbide inserts and screws, are not covered under the warranty.
Specifications
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Machine: EJCA L38/310 Planer Thicknesser
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Cutterhead Material: AISI 5140 High-Tensile Alloy Steel
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Carbide Grade: C3++
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Carbide Insert Size: 15 × 15 × 2.5 mm, R150
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Number of Inserts: 65
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Number of Spiral Rows: 5
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Insert Screw: #10-32 TPI
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Wrench Size: T25 Torx
Package Includes
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(1) Sheartak Spiral Cutterhead
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(1) T25 Torx T-Handle Wrench
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(5) Replacement Carbide Inserts
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(5) Replacement Torx Screws
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
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.
