3D Printer Timing Belt Pulley 2GT/3GT/5GT Type
A GT-type timing belt pulley is a type of timing belt that is used for various applications. It is commonly used in high-speed machine tools, compressors, printing machines, and textile machines. Its MR profile provides high-precision and accurate timing. It also offers a curvilinear shape that provides more surface contact between the belt and pulley, thereby preventing tooth distortion. These pulleys may be marked with identifying letters or numbers. They help identify a replacement belt.
3D Printer Timing Belt Pulley Overview
Precision GT-series timing belt pulleys (2GT, 3GT, 5GT) are critical drive components engineered specifically for high-accuracy linear positioning in 3D printers (FDM, SLA), desktop CNC routers, and automated robotics. Designed with modified round-curvilinear tooth profiles, GT timing pulleys distribute meshing stress evenly to prevent belt tooth deformation, back-and-forth hysteresis, and position backlash. Machined from lightweight aluminum alloys, these micro-pitch pulleys reduce motor load and vibration, ensuring smooth layer deposition and superior surface finish on printed parts.
Product Specifications
| Parameter | Specification Detail |
|---|---|
| Product Name | 3D Printer Timing Belt Pulley / Precision GT Drive Pulley |
| Primary Teeth Profiles | GT Series (Curvilinear): 2GT (GT2), 3GT (GT3), 5GT Micro Curvilinear/Trapezoidal: HTD 3M, S2M, S3M, MXL, T2.5 |
| Bore Options | 2mm, 3mm, 4mm, 5mm, 6mm, 6.35mm, 8mm, 10mm (H7 precision finish) |
| Matched Belt Widths | 6mm, 9mm, 10mm, 12mm, 15mm (Custom metric/inch widths available) |
| Tooth Range | 12 to 120 Teeth (Standard 16T, 20T, 36T, 60T, 80T for 3D printers) |
| Material Options | 6061-T6 Aluminum Alloy, SUS304 Stainless Steel, Brass, C45 Steel, POM |
| Surface Treatment | Clear Anodizing, Black Anodizing, Electroless Nickel Plating, Black Oxide |
| Bore Fixation | Dual M3/M4 Set Screws (at 90 degrees), Keyway, D-Shape Shaft Flat |
| Integrated Assembly | Supports embedded double bearings, stainless steel shafts, and custom flanges |
Key Advantages of GT Series Pulleys in 3D Printing
- Zero Backlash Precision: Round tooth contour ensures smooth entry and exit into pulley grooves, eliminating backlash during rapid direction changes.
- Vibration & Ghosting Reduction: Lightweight anodized aluminum structure minimizes rotational inertia, eliminating ringing and ghosting artifacts on high-speed prints.
- Extended Belt Service Life: Uniform force distribution along the arc tooth profile prevents tooth shearing and premature wear on rubber and polyurethane belts.
- Strict Dimensional Tolerances: Precision hobbed gear teeth guarantee consistent pitch circumference and accurate steps-per-millimeter calibration.
Selecting the Right Pulley for Your Motion System
When engineering 3D printer gantry drives or precision linear stages, consider these critical selection parameters:
- Tooth Count & Resolution: Lower tooth counts (e.g., 16T or 20T) provide higher linear torque and resolution per step, while larger pulleys (e.g., 60T or 80T) provide higher speed reduction ratios.
- Belt Mesh Engagement: Maintain a minimum of 6 teeth in mesh engagement with the timing belt at all times to avoid tooth skip during high acceleration.
- Material Selection: Anodized 6061 aluminum is ideal for lightweight moving gantries, while stainless steel or brass offers superior wear resistance for high-load z-axis lead drives.
Custom OEM Manufacturing & Quality Assurance
- 1-Year Quality Warranty: Manufactured under ISO9001 certified quality standards. Free replacement or maintenance provided for non-conforming items within 1 year.
- Custom CAD Design Support: Provide your CAD drawings or technical specs for rapid B2B quotes. Our engineering team can also supply 2D/3D CAD models.
- Low MOQ Prototyping: Single-piece sample orders welcomed for fitment testing and prototype validation.
- Confidentiality Protection: Complete adherence to non-disclosure agreements for custom OEM and proprietary customer designs.
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How to choose power transmissions parts and industrial products which meet our requirement
| Chains | Sprockets | Pulleys | Timing belt Pulley | V-belt Pulley |
| Sheaves | Coupings | Bush &Hub | Gear& Rack | V-Belt |
| Locking Assembly | Pulley | Gearbox | Reducer | Shaft Collar |
| Rod End Bearing | Clevis | PTO | Chain Guide | Belt Guide |
| Rubber Buffer | Chain Tensioner | PTO Drive Shafts | Universal Joints | Roller Chains |
| Conveyor Chains | V-Belts | Worm Gearbox | Helical Gear | Worm |
| Agricultural Chain | CNC Proces Parts | Casting | Stamping | |
| Powder Metallurgy | CNC Proces Parts | Casting | Stamping |
What Products Do you sell ?
We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.
How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
What is the producing process?
Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.
How to control the products quality?
Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.
What is the transportation?
-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.
Can we design packaging?
-Yes. Default is regular packing, and we can make customer's own packing.
Can you provide OEM service?
-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.
Can you give me discount on Power Transmissions Parts and Industrial parts?
-Yes, of course. Pls. send me your Email, you'll get more
Q: Are You a trading company or a manufacturer?
A: We Are the factory and have our Own trading company
Q: How Can I get an offer?
A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.
Q: What is your minimum order size?
A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can provide samples free of charge, but we don't pay the freight.
Q: What is the lead time for mass production?
A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.
Q: What if the parts don't Work?
A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.
Q: What are your terms of payment?
A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable
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