China OEM Flexible Helical Rack and Pinion Linear Motion Module 125 Gear Rack supplier

Product Description

Gear And Rack Pinion

Product Description

 

Model number M1-M12
Material Brass, C45 steel,Stainless steel,Copper,POM,Aluminum,Alloy and so on
Surface treatment Zinc plated, Nickel plated, Passivation, Oxidation, Anodization, 
Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating and Electrophoresis, etc
Standard ISO, DIN, ANSI, JIS, BS and Non-standard.
Precision DIN6,DIN7,DIN8,DIN9.
Teeth treatment Hardened,Milled or Ground
Tolerance 0.001mm-0.01mm-0.1mm
Finish  shot/sand blast, heat treatment, annealing, tempering, polishing, anodizing, zinc-plated

 

 

Packaging & Shipping

Packaging Details:  

1)Sample order packing by paper carton for saving freight charge; 

                                 
2)bulk order sent by sea will be packed by film and wooden carton.

                                 
3) as customer’s requirements.

 

 

Company Profile

Company Information:

ZheJiang SAIR MECHANICAL XIHU (WEST LAKE) DIS. CO.,LTD

ZheJiang Sair Mechanical Xihu (West Lake) Dis. Co., Ltd, which is mainly responsible for the production, 1 of the largest linear guide and ball screw manufacturer in China. With strong technical strength, advanced production equipments, and perfect after-sale services, our company is the leading precision machinery manufacturer, which have research and development, manufacturing, sales, service all in one. Our high-quality products are not only popular all over the country, but also exported to Europe, Americas, Southeast Asia, Africa etc. , totally more than 70 countries globally. Our products have good performance and are highly trusted and admired by all the domestic & overseas customers.

 

 

FAQ

1. Q: How about the quality of your product?

    A: 100% inspection during production. 

       Our products are certified to ISO9001-2008 international quality standards.

2. Q: What’s the delivery time? 

    A: For custom order, within 2000 meters, 

        Production time is 15days after confirmed every details.

3. Q: What’s your packing?

    A: Our Normal packing is bulking in PE bag, and then into plywood Cartons. 

        We also can pack products according to your requirement.

4. Q: What about the warranty? 

    A: We are very confident in our products, 

        and we pack them very well to make sure the goods in well protection.

5.Q: Could you send me your catalogue and price list?

   A: As we have more than hundreds of products,

      it is really too hard to send all of catalogue and price list for you. 

      Please inform us the style you interested, we can offer the pricelist for your reference.

6.Q:There are a lot of companies which export bearings, why do you choose us?

  A: As we are a genuine linear guide supplier since 2011.and we are really factory, you need not pay the profit for middlemen.
so we can offer you the lowest and competitive price .
 

Thanks for your valuable time 🙂

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Machinery
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Samples:
US$ 6/Piece
1 Piece(Min.Order)

|

Order Sample

not free
Customization:
Available

|

Customized Request

helical gear rack

How do helical gear racks handle different gear ratios and helix angles?

Helical gear racks are designed to handle different gear ratios and helix angles, providing flexibility in power transmission systems. The gear ratio determines the speed and torque conversion between the driving and driven gears, while the helix angle influences the smoothness of engagement and the load distribution across the gear teeth. Here’s a detailed explanation of how helical gear racks handle these parameters:

  • Gear Ratios: Helical gear racks can accommodate different gear ratios by pairing them with helical gears of corresponding ratios. The gear ratio is determined by the number of teeth on the driving and driven gears. By selecting helical gears with different numbers of teeth, the gear ratio can be adjusted to achieve the desired speed and torque conversion. Helical gear racks provide a linear motion that engages with the helical gear, allowing for precise and efficient power transmission across a wide range of gear ratios.
  • Helix Angles: The helix angle is the angle at which the gear teeth are inclined relative to the gear axis. Helical gear racks are designed with a corresponding helix angle that matches the helix angle of the mating helical gear. The helix angle affects the smoothness of engagement and the load distribution across the gear teeth. A larger helix angle results in a smoother and quieter operation, as it facilitates gradual tooth contact during meshing. It also helps distribute the load across multiple teeth, reducing the stress on individual teeth and promoting higher load-carrying capacity.

When handling different gear ratios and helix angles, it’s important to consider the following factors:

  • Tooth Contact: As the gear ratio and helix angle change, the contact pattern between the helical gear and gear rack may shift. Proper tooth contact is crucial for efficient power transmission and to avoid excessive wear or noise. It’s essential to ensure that the gear rack and helical gear are properly aligned and adjusted to achieve the desired tooth contact pattern.
  • Lubrication: Adequate lubrication is vital to reduce friction and wear between the gear teeth. The presence of a helix angle introduces sliding motion between the helical gear and gear rack during engagement. Proper lubrication helps minimize frictional losses and ensures smooth operation even at higher helix angles or gear ratios.
  • Load Distribution: The helix angle and gear ratio affect the load distribution across the gear teeth. Higher helix angles and gear ratios can distribute the load more evenly, reducing the stress on individual teeth and promoting higher load-carrying capacity. This is particularly advantageous in applications with high torque or heavy loads.

It’s important to note that as the gear ratio increases or the helix angle becomes steeper, the axial forces on the gear rack also increase. Adequate support and proper mounting arrangements are necessary to handle these axial forces and ensure the gear rack remains stable and properly engaged with the helical gear.

In summary, helical gear racks handle different gear ratios and helix angles by providing a linear motion that engages with helical gears of corresponding ratios and angles. Through proper tooth contact, lubrication, and load distribution, helical gear racks enable efficient power transmission and smooth operation across a wide range of gear ratios and helix angles in various applications.

helical gear rack

How do helical gear racks contribute to efficient power transmission?

Helical gear racks play a significant role in achieving efficient power transmission in mechanical systems. They offer several design features and characteristics that contribute to the efficient transfer of power. Here’s a detailed explanation:

  • Tooth Engagement: Helical gear racks provide continuous contact between the gear teeth during operation. Unlike spur gear racks, which have a straight tooth profile, helical gear racks have teeth that are cut at an angle (helix angle) to the gear axis. This angled tooth profile enables gradual and smooth engagement with the mating helical gear, reducing the impact of sudden contact and minimizing noise and vibration. The continuous tooth engagement ensures a larger contact area between the gear rack and gear, leading to improved load distribution and power transmission efficiency.
  • Load Distribution: The helical tooth profile of gear racks allows for load distribution across multiple teeth. As the gear rotates, the inclined teeth of the gear mesh with the helical gear rack, and the load is shared among several teeth simultaneously. This distributed load-carrying capability helps reduce stress on individual teeth, minimizing the risk of tooth wear, fatigue, and potential failure. By distributing the load, helical gear racks can handle higher torque and transmit power more efficiently.
  • Reduced Sliding Friction: The helical tooth profile also contributes to reducing sliding friction between the gear teeth. As the helical gear rotates, the inclined teeth smoothly slide against the mating gear rack’s teeth. This sliding action helps distribute the lubricating film across a larger contact area, minimizing frictional losses and heat generation. The reduced sliding friction improves the mechanical efficiency of the gear system, allowing for more effective power transmission.
  • Backlash Reduction: Backlash refers to the clearance or lost motion between the gear teeth when changing direction. Helical gear racks help reduce backlash compared to other gear types, such as spur gear racks. The inclined teeth of helical gear racks engage gradually with the mating gear, resulting in a smoother and tighter meshing. This reduced backlash improves the accuracy and responsiveness of the power transmission system, contributing to overall efficiency.
  • Choice of Materials and Lubrication: The choice of materials for helical gear racks, as well as proper lubrication, also play a role in efficient power transmission. High-quality materials with good wear resistance and strength ensure minimal energy losses due to friction and wear. Additionally, proper lubrication helps reduce friction, dissipate heat, and protect against excessive wear, enhancing the overall efficiency and durability of the gear system.

By incorporating these design features and characteristics, helical gear racks contribute to efficient power transmission by reducing noise and vibration, improving load distribution, minimizing sliding friction and backlash, and ensuring proper lubrication. These factors collectively enhance the mechanical efficiency of the gear system, enabling effective power transfer in various applications.

helical gear rack

What is a helical gear rack, and how does it function?

A helical gear rack is a specialized type of gear rack that incorporates helical teeth. It is used in various mechanical systems to convert rotational motion into linear motion or vice versa. Here’s a detailed explanation of what a helical gear rack is and how it functions:

A helical gear rack consists of a long, straight bar or rail with a series of teeth cut along its length. Unlike a standard straight gear rack, the teeth of a helical gear rack are cut at an angle or helix to the rack’s axis. This angled tooth design resembles that of a helical gear. The mating component to the helical gear rack is usually a helical gear, which engages with the rack’s teeth to transmit motion.

The functioning of a helical gear rack is as follows:

  1. Motion Transmission: When a rotating helical gear meshes with a helical gear rack, the angled teeth of the gear engage with the corresponding angled teeth of the rack. As the gear rotates, the contact between the gear teeth and the rack teeth causes the rack to move linearly along its length. The rotational motion of the gear is thus converted into linear motion of the rack.
  2. Smooth and Quiet Operation: The helical tooth design of both the gear rack and the mating gear allows for gradual tooth engagement, resulting in smoother and quieter operation compared to straight gear racks. The helical teeth gradually come into contact, reducing the impact and noise that can occur with instantaneous contact in straight gear racks.
  3. Increased Load-Carrying Capacity: The helical tooth design of the gear rack and gear provides increased load-carrying capacity compared to straight gear racks. The angled teeth allow for multiple teeth to be in contact simultaneously, distributing the load across a larger area. This increased contact area and tooth engagement result in improved load distribution and higher load-carrying capacity.
  4. Axial Thrust: One characteristic of helical gear racks is the generation of axial thrust forces. Due to the angled teeth, the helical gear exerts an axial force on the helical gear rack as it rotates. This axial thrust needs to be considered and properly managed in the system design to ensure smooth operation and prevent excessive wear or damage.
  5. Applications: Helical gear racks find applications in various industries and mechanical systems. They are commonly used in machine tools, such as CNC milling machines and CNC routers, where precise linear positioning is required. Helical gear racks are also utilized in conveyor systems, robotics, automation equipment, and other applications that involve converting rotational motion into linear motion or vice versa.

In summary, a helical gear rack is a specialized type of gear rack with angled teeth that functions by meshing with a helical gear to convert rotational motion into linear motion. The helical tooth design provides smoother operation, increased load-carrying capacity, and axial thrust forces. Helical gear racks are widely used in various mechanical systems that require precise linear motion control.

China OEM Flexible Helical Rack and Pinion Linear Motion Module 125 Gear Rack supplier China OEM Flexible Helical Rack and Pinion Linear Motion Module 125 Gear Rack supplier
editor by CX 2023-09-28