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Lyndex-Nikken, manufacturer and provider of high-performance machine tool accessories, offers SK collet chucks with an advanced design that optimizes machine tool performance.
To solve manufacturers challenges of having to frequently change collet chucks, which increases downtime, or having poor surface finish on workpieces, Lyndex-Nikken has designed their SK collet chucks with accuracy and precision in mind. The advanced design of the SK collet chuck provides increased rigidity and gripping force as well as the ability to reach tight spaces.
Due to a special heat treatment, grinding and custom slotting process enables Lyndex-Nikken to guarantee a 5 micron run-out tolerance for their "on size" fractional and metric size precision collets.
A titanium nitride (TiN) bearing nut improves rigidity as the uniquely designed gold ring reduces collet damage, reduces micro vibration with the collet flange, and eliminates friction with the collet. It improves the cutting rigidity and the quality of the cut compared to traditional collet chucks.
The taper angle provides increased gripping power as the SK collet chuck’s 8-degree collet seats deeper in the body of the holder, providing double the clamping force and precision than traditional 16-degree collets.
The narrow body of the SK collet chuck allows for access to tight spaces and provides better clearance making it ideal for machining complex parts.
The benefits of the SK collet chuck include:
- Lean – narrow body design allows access to tight spots
- Versatile – applicable for all milling, drilling, reaming, and rigid tapping applications
- Flexible – covers sizes from 0.028” to 1”
- Accurate – 2x more accurate than ER collet chucks, within 10x better repeatability
- Extremely Precise – 0.0002” or less concentricity guarantee with on-size collets
- Double Gripping Power – with an 8-degree collet taper, the SK collet chuck has double the gripping power over ER collet chucks
SK collet chucks are also available in Taper Plus which combines taper accuracy with flange rigidity. Additionally, SK collet chucks are available with coolant thru options - a unique high-pressure coolant collet system allows for higher accuracy and gripping torque.
Related Glossary Terms
- chuck
chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated. May also be fitted to the machine table to hold a workpiece. Two or more adjustable jaws actually hold the tool or part. May be actuated manually, pneumatically, hydraulically or electrically. See collet.
- clearance
clearance
Space provided behind a tool’s land or relief to prevent rubbing and subsequent premature deterioration of the tool. See land; relief.
- collet
collet
Flexible-sided device that secures a tool or workpiece. Similar in function to a chuck, but can accommodate only a narrow size range. Typically provides greater gripping force and precision than a chuck. See chuck.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- grinding
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
- micron
micron
Measure of length that is equal to one-millionth of a meter.
- milling
milling
Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.
- slotting
slotting
Machining, normally milling, that creates slots, grooves and similar recesses in workpieces, including T-slots and dovetails.
- tapping
tapping
Machining operation in which a tap, with teeth on its periphery, cuts internal threads in a predrilled hole having a smaller diameter than the tap diameter. Threads are formed by a combined rotary and axial-relative motion between tap and workpiece. See tap.
- titanium nitride ( TiN)
titanium nitride ( TiN)
Added to titanium-carbide tooling to permit machining of hard metals at high speeds. Also used as a tool coating. See coated tools.
- tolerance
tolerance
Minimum and maximum amount a workpiece dimension is allowed to vary from a set standard and still be acceptable.
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