White CNC Machining Delrin Star Wheel Pom Big Star Wheel Plastic Gear

White CNC-machining Delrin (POM) big star wheels are large-diameter precision star wheel components machined by CNC from Delrin (POM / Acetal / Polyacetal) plate, rod, or billet — providing large star wheel components impossible or uneconomical to injection-mould, in the white or natural colour preferred for food-grade, pharmaceutical, and clean-room applications. Korea Ever-Power machines these large Delrin star wheels from Hangzhou, China, to custom size per drawing, with application as Delrin big star wheels for transmission, conveyor, timing, and container-handling functions across all industrial sectors. Material: Delrin (POM/Acetal). Colour: white (standard) or custom. Thickness: custom. Size: custom. Quote within 24 hours. 25–35 day mould/machining lead time. Start from sample. Video QC before delivery.

Korea Ever-Power's white CNC Delrin big star wheels cover applications across hobby robotics, consumer products, industrial automation, beverage and food processing, pharmaceutical packaging, and all applications where a large-diameter precision plastic star wheel is required as a gear sale item — for hobby projects, to demonstrate gear reduction in electric equipment, or to adjust the direction of rotation in transmission mechanisms. Plastic star wheels are generally lighter than metal, suitable for a wide range of industrial applications.

White Delrin Big

Delrin Gear

Custom Per Drawing

Large Diameter

CNC Enables Large Diameters — No Mould Cost

Injection moulding large-diameter star wheels (OD > 150 mm) requires very large, expensive moulds and highly capable injection moulding machines. CNC machining from Delrin plate or billet eliminates the mould tooling cost entirely — the CNC program is the "mould". For large star wheels at moderate quantities (1–500 pcs), CNC machining is invariably more cost-effective than injection moulding. Korea Ever-Power's CNC machining centres handle Delrin parts to any diameter up to 1,000 mm × 200 mm thickness, enabling large conveyor star wheels, large timing wheels, and large bottle-handling star wheels that cannot be practically injection-moulded.

White Colour — Food-Grade and Contamination Detection

White or natural Delrin is the preferred colour for food-grade conveyor star wheels and pharmaceutical equipment components. The white surface provides two practical advantages: (1) any dark contamination (product residue, lubricant, metal particles from adjacent components) is immediately visible on the white surface, enabling prompt cleaning and contamination investigation; (2) white Delrin is generally natural-colour POM-C without colourant additives — ensuring the material meets FDA food-contact compliance without the risk of colourant additive migration. Korea Ever-Power supplies white natural Delrin POM-C as standard for food-grade star wheel orders.

Delrin POM — "Plastic Steel" for Precision Star Wheels

Delrin (DuPont's trade name for POM-H homopolymer acetal) provides the stiffest, most dimensionally stable, lowest-friction surface of any standard engineering thermoplastic. These three properties together make Delrin uniquely suited for large precision star wheels: stiffness maintains the tooth profile geometry under contact load without tooth deflection; dimensional stability (0.17–0.20% water absorption) maintains the star wheel's geometry in wet or humid conveyor environments; and low friction (μ ≈ 0.10 vs steel) provides inherent self-lubrication against chain, sprocket, or product contact surfaces without external lubricant.

Lightweight — Reduced Conveyor Drive Load

Delrin density: 1.41 g/cm³ vs steel 7.85 g/cm³ — a large Delrin big star wheel weighs only 18% of the equivalent steel star wheel. For large-diameter star wheels (OD 300–600 mm) used in high-speed bottling and packaging lines, the inertia of the star wheel is a significant fraction of the total conveyor drive inertia — replacing steel with Delrin reduces the star wheel inertia by over 80%, reducing motor start-up current demand and conveyor drive shaft peak torque during acceleration.

Gear Reduction Demonstration — Hobby and Education

Plastic gears and star wheels are sold for hobby projects, to demonstrate how gear reduction works in electric equipment, and to adjust the direction of rotation in educational mechanisms. White Delrin big star wheels are particularly useful as demonstration gear components: their light colour makes the tooth profile clearly visible; their large size makes gear engagement easy to observe; and their lightweight enables hand-driven demonstrations without significant resistance. Korea Ever-Power supplies educational gear sets, demonstration gear trains, and hobby mechanism components as well as industrial production quantities.

Bevel and Spiral Bevel Star Wheel Options

Beyond the standard spur-tooth star wheel profile, Korea Ever-Power CNC-machines Delrin big star wheels with bevel tooth profiles (for 90° direction change) and spiral bevel profiles (smoother, quieter engagement than straight bevel). Bevel gears are most commonly used in industrial and automotive equipment, screening applications, and speed reduction for straight shafts. Some bevel gears are even silent — spiral bevel Delrin star wheels are a good choice for applications where noise is an issue. Spiral bevel Delrin big star wheels can be used in many applications and have a long life expectancy.

Beverage Bottling — Large Spacing Stars

White Delrin big star wheels (OD 200–600 mm) as bottle-spacing and container-transfer star wheels on high-speed beverage filling lines. The large diameter accommodates large-format bottles (3L, 5L) and containers; the white colour supports contamination detection; the Delrin POM material provides the dimensional stability required to maintain container spacing at the CIP wash-down temperatures of industrial filling lines.

Industrial Transmission Star Wheels

White or natural Delrin big star wheels as large-diameter external gear wheels in slow-speed, high-torque industrial transmission stages. CNC machining from Delrin plate enables gear wheels up to OD 800–1,000 mm at moderate module (M4–M10) — replacing cast iron or steel gears in slow-speed drives where the full strength of metal is unnecessary and where Delrin's self-lubricating, noise-reducing, and corrosion-resistant properties provide operational advantages.

Office Automation and Consumer Equipment

Delrin star wheel gears are essential for everything from toys to office automation equipment. Large white Delrin star wheels in photocopier paper path mechanisms, large-format printer drive stages, and office binding machine drive trains. These applications require the precision, quietness, self-lubrication, and dimensional stability that Delrin provides — in a large gear form that would be impractical or too expensive to injection-mould.

Laboratory and Scientific Equipment

White Delrin big star wheels in centrifuge sample positioning stages, automated sample carousel drives, and large-format laboratory instrument positioning mechanisms. Delrin's combination of dimensional precision (CNC-machined to ±0.05 mm), electrical insulation, chemical resistance, and non-magnetic property (not detected in MRI or magnetically sensitive instruments) makes it the standard gear material for laboratory automation equipment where metal gears are excluded by equipment sensitivity requirements.

Screening and Separation Equipment

Delrin big star wheels in vibratory screen drive star gears, material separator drive mechanisms, and agricultural grain cleaning equipment. Bevel-profile Delrin big star wheels can reduce the speed of straight shafts in screening applications, transmitting drive from a horizontal motor shaft to a vertical screen shaft in a compact arrangement. Delrin's resistance to agricultural chemicals and abrasive grain particles suits these demanding environments.

Hobby, Education, and Demonstration

White Delrin big star wheels for sale for hobby robot projects, educational gear reduction demonstrations, electric vehicle drive mechanism demos, and direction-of-rotation adjustment in student engineering projects. Plastic gears are generally lighter than metal gears, which are very heavy and usually only suitable for automotive transmissions — making large white Delrin star wheels the practical choice for all these educational and hobby applications where handling ease and visibility of the tooth engagement are valued.

What is the largest diameter Delrin big star wheel Korea Ever-Power can CNC-machine?

Korea Ever-Power's CNC machining centres can produce Delrin big star wheels up to approximately OD 1,000 mm × 200 mm face width — dependent on the star wheel's profile complexity. For very large star wheels, the starting material is a large-format Delrin plate or billet, from which the CNC machining centre cuts the outer profile, star teeth, bore, keyway, and any face features in a single or two-stage clamping operation. The maximum practical size is limited by the availability of Delrin plate in large formats and by the CNC machine's work envelope — Korea Ever-Power confirms feasibility at inquiry stage for large star wheels above 600 mm diameter.

Can Korea Ever-Power produce a Delrin big star wheel from a sketch or rough dimension, without a formal engineering drawing?

Yes — Korea Ever-Power accepts rough sketches with key dimensions (outer diameter, number of star points, point radius, bore diameter, face width, key/bolt hole pattern) and will create the formal engineering drawing for customer approval before CNC programming. For replacement star wheels where the original is available but no drawing exists, Korea Ever-Power can measure the original star wheel and produce a dimensioned drawing from the measurement — then the customer approves the drawing before machining begins. Send photos and any available dimensions to Korea Ever-Power's contact form to begin a quotation.

"We needed white Delrin big star wheels (OD 380 mm, 12-point profile) for our large-format label applicator bottle transfer station. No injection mould was practical at our quantity (40 pcs/year). Korea Ever-Power CNC-machined from Delrin plate in 18 days from DXF drawing — no tooling cost. Contamination visibility check: black marker dot on white surface visible at 3 m — confirmed suitability for our food plant visual inspection protocol. FDA certificate provided for Delrin material. Cost: 35% below a stainless steel equivalent that was previously quoted."

Kim Seung-ah  |  Packaging Line Equipment Engineer, Incheon Label Systems Co.  ·  Q2 2026

"We supply parts for a university engineering lab and ordered white Delrin gear demonstration sets (OD 200 mm spur star wheel + OD 80 mm pinion) for their gear reduction demonstration rig. Korea Ever-Power accepted our rough sketch with key dimensions and produced formal drawings for our approval before machining. CNC parts delivered in 15 days. Students immediately noticed the precision and smooth meshing vs the previous 3D-printed gears. Korea Ever-Power also provided material data sheet for the lab's material comparison exercise. Will order again for next semester's intake."

Lee Min-seo  |  Mechanical Engineering Lab Technician, Gyeonggi University Engineering Dept.  ·  Q1 2026