The 42 tooth spur gear is a fundamental mechanical component widely used in various applications. It features 42 evenly - spaced teeth around its circumference, designed to mesh smoothly with other compatible gears, typically on parallel shafts. This gear is constructed from high - quality materials such as carbon steel (like S45C/AISI 1045 for some models), ensuring durability and reliable performance. With a simple and straightforward design, the 42 tooth spur gear efficiently transmits power and motion, making it suitable for conveyor systems, speed reducers, and mechanical transportation systems. In conveyor systems, it helps move products along the line by providing consistent rotational force. In speed reducers, it adjusts the speed and torque ratios according to the operational needs.
42 Tooth Spur Gear Detail
| Product Name | 42 Tooth Spur Gear |
| Product Material | Made of 45 steel, 40CR, 20CR/15CR, SUS304, suitable for various working conditions. |
| Product Process | Precise processes:Raw Material Preparation,Tooth Form Machining,Heat Treatment Enhancement,Finishing & Inspection,Surface Treatment & Assembly. |
| Surface Treatment |
Anti-rust Protection,Wear Resistance Enhancement,Friction Reduction&Lubrication,Special Protection. |
| Customizable Products | Gears / Sprockets / Worms / Shafts / Rack Bars / Bevel Gears, etc. |
Product Advantages
Quality and Material
It features good machinability, is not prone to rust, and has a long service life.
Mature Technology
High precision, low noise, wear-resistant, and long service life.
Factory Supply
Stable quality, affordable price,multiple specifications and models, deep processing.
Custom Processing
Multiple processing technologies,including cutting, chamfering, heat treatment, etc.,
Product Information Parameters
In addition to standard sizes,GRANGIN also focuses on custom parts. It has an absolute advantage in the field of custom parts,
Meet almost all application requirements and the most stringent specifications.
| 2 Module Teeth Number | Tooth Surface Diameter | Process Hole | Pitch Circle Diameter | Weight |
| 33 | 70 | About10 | 66 | 0.58 |
| 34 | 72 | About10 | 68 | 0.62 |
| 35 | 74 | About12 | 70 | 0.65 |
| 36 | 76 | About12 | 72 | 0.69 |
| 37 | 78 | About12 | 74 | 0.73 |
| 38 | 80 | About12 | 76 | 0.76 |
| 39 | 82 | About12 | 78 | 0.8 |
| 40 | 84 | About12 | 80 | 0.84 |
| 41 | 86 | About12 | 82 | 0.88 |
| 42 | 88 | About12 | 84 | 0.92 |
20+ years of experience as 42 Tooth Spur Gear manufacturer
Specialized in designing, producing and processing various specifications of synchronous wheels, gears, sprockets, racks, couplings and other transmission accessories
Semi-finished Parts Pictures:
Custom 6-Mode Stainless Steel Gears
Custom Finished Hole Sprockets
Customized 1.2 Inch Large Sprocket
Custom Gear Shaft
Customized Electric Cylinder Coupling Shaft
Customized Aluminum Flange
Packaging Pictures：
Our Certificate
CE
ISO45001
ISO14001
ISO9001
Which one is larger, the radius of the root circle or the base circle of a gear?
For a standard spur gear, when the number of teeth is equal to 41 or 42, the radius of the base circle is equal to the radius of the root circle (at this time, the number of teeth is a decimal, while the number of teeth must be an integer). When the number of teeth is less than 41, the radius of the base circle is larger than that of the root circle; when the number of teeth is more than 42, the radius of the base circle is smaller than that of the root circle.
How to calculate the center distance for gear-rack meshing?
How to calculate the center distance for gear-rack meshing? There is a fixed formula for calculating the center distance in gear-rack meshing. For spur gears, it is as follows:
Spur Gear: The radius of the pitch circle of the spur gear plus the pitch line of the rack.
Formula: a=h+d/2, where h is the height of the pitch line.
Here, d represents the diameter of the gear's pitch circle. The center distance a is determined by adding the height of the rack's pitch line (h) to half of the gear's pitch circle diameter (d/2).
What are the commonly used tooth profile machining methods for a 42-tooth spur gear?
Commonly used methods include hobbing (for high-efficiency rough machining of the tooth profile) and shaping (suitable for internal gears, multi-stage gears, etc., and applicable to 42-tooth spur gears as well). Subsequently, gear shaving or honing is employed to improve accuracy and surface quality. For extremely high precision requirements, gear grinding is used.
Hot Tags: 42 tooth spur gear, China 42 tooth spur gear manufacturers, suppliers, factory, Aluminum Spur Gears, C45 Spur Gear, Compound Spur Gear, Metric Gears, Precision Spur Gears, Steel Spur Gears