Introduction to Internal Spur Gears

Internal Spur Gears are a type of gear that have teeth generated on the inner diameter of the blank, unlike spur gears. They offer several advantages over their mating pinion gear, including increased robustness and efficiency. To ensure proper functioning, the pitch diameter of the internal gear must be at least 1.5 times the pitch diameter of the mating pinion, as failure to meet this condition can result in interference between the teeth tips.

These gears are widely used in various applications where designers aim to achieve higher contact and drive ratios at shorter center distances. Additionally, internal spur gears allow for velocity change without a directional change, eliminating the need for an idler gear.

Advantages of Internal Spur Gears

• Higher contact and drive ratios compared to standard spur gears
• Enable velocity change without directional change
• Robust and efficient design
• Allows for compact arrangements
• Suitable for various industrial applications

Materials and Customization

Internal spur gears can be custom manufactured from a wide range of materials to suit specific requirements. Some common materials include:

• Steel
• Stainless steel
• Heat-treated steel
• Sintered steel
• Tool steel
• Ductile iron
• Gray iron
• Brass
• Bronze
• Copper
• Cast iron
• Aluminum
• Plastic
• Phenolic

Installation, Maintenance, and Repair

Installing and maintaining internal spur gears requires attention to detail. Here are some key considerations:

• Ensure proper alignment and engagement of gears during installation
• Regularly inspect gears for signs of wear, damage, or misalignment
• Lubricate gears as per manufacturer recommendations to reduce friction and extend their lifespan
• If a gear becomes damaged or worn, it should be replaced promptly to maintain optimal performance

Applications of Internal Spur Gears

Internal spur gears find application in various industries and equipment, including:

• Rollers
• Electric Screwdrivers
• Pumps
• Positioning Equipment
• Automotives
• Bicycle components

Other Products

In addition to Internal Spur Gears, our company offers a wide range of other high-quality products used in various industries. Some of our offerings include:

• Plastic Gear
• Agricultural Gearboxes
• Power Output Shafts
• Sprockets
• Fluid Couplings
• Worm Gear Reducers
• Gears and Racks
• Detachable Chains
• Pulleys and Pulleys
• Planetary Gearboxes
• Timing Pulleys
• Bushings

We pride ourselves on delivering high-quality products at competitive prices, accompanied by excellent customer service. We offer customization options based on your specific requirements, whether you provide us with a drawing or a sample. Feel free to reach out to us and discover how we can meet your industrial gear needs.

Frequently Asked Questions (FAQ)

Q1: How can I request a quotation for Internal Spur Gears?
A1: To receive a quotation, please provide us with 2D or 3D documents or samples. Our accepted drawing formats include IGS, STEP, STP, JPEG, PDF, DWG, DXF, CAD, etc.

Q2: Is there a minimum order quantity requirement for Internal Spur Gears?
A2: No, we do not impose a minimum order quantity limit. You are welcome to place trial orders before proceeding with mass production.

Q3: How do you ensure the quality control of Internal Spur Gears?
A3: Our production operators conduct self-inspections at each process stage. We also perform sampling inspections and final inspections through our Quality Control (Q.C.) department. Our goal is to maintain a defective rate within 1% or even lower.

Q4: Can I have my brand logo printed on your Internal Spur Gears?
A4: Yes, we offer OEM orders, and we welcome you to provide us with detailed information about your logo's design and location when submitting an inquiry.

Q5: Are you a manufacturer or a trader of Internal Spur Gears?
A5: We are a factory with over ten years of experience in CNC machining and gear manufacturing. We strive to offer competitive prices and professional services to our valued customers.