China GMQX custom cnc lathe turning machining precision nickel coating stainless steel shaft parts screw conveyor shaft design

Condition: New
Warranty: 5 years
Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Farms, Retail, Printing Shops, Construction works , Energy & Mining, Other
Weight (KG): 0.01
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Not Available
Marketing Type: Ordinary Product
Warranty of core components: Not Available
Core Components: Engine, Bearing, Gearbox, Motor, Pressure vessel, Gear, Pump
Structure: Flexible
Material: Brass, Stainless Steel, Steel, Titanium, Copper
Coatings: NICKEL
Torque Capacity: Custom
Model Number: Throttle Shaft
Service: Customized OEM CNC Machining
Inspection Equipment: Keyence IM-7000
Production Equipment: Japan STAR SB-20R Type G
Dimension: Per Customer’s Drawing
Tolerance: 0.005mm
Process: Precision Machining
Certificate: ISO9001:2015
Sample: Avaliable
Shipping: Customer Inquirement
After Warranty Service: Spare parts
Packaging Details: 1) Inner packing: Plastic/paper wrap, bubble bag, Original CZPT fag CZPT CZPT self aligning roller bearing 22310EW33VT143 Spherical Roller Bearing 22208CA CC MB MA E1 PE foam, EPE cotton, PP bag etc.2) Outer packing: carton box, wooden case, plate etc.3) Per customer’s requirement
Port: HangZhou

GMQX custom cnc lathe turning machining precision nickel coating stainless steel shaft parts Specification HangZhou Guangmaoqixing Technology Co., Ltd is a professional manufacturer of precision machined components and assemblies, specialized in Swiss Machining, CNC Machining, and CNC Turning & Milling.Our commitment to customer service has allowed us to achieve and sustain a reputation for quality products.Our skilled machinists utilize the latest CAD/CAM technology to ensure parts accuracy and reduce lead times.Our wide variety of turning and machining centers meet tolerances as tight as +/-.0001″, with up to 8-axes.Our Vertical and Horizontal CNC machining centers are equipped with up to 14,000 RPM spindles.From small batches to high volume production, we guarantee you continuous and high efficent production.With numerous Swiss-type turning machines, we can manufacture small diameter products from a wide range of metals.

Produciton Equipments:Japan CNC Swiss Type Automatic Lathe, Auto-Lathes, CNC Machining Center, Auto-milling machine, Drilling and Milling Center,Driling Machines, Friction torque limiter FFV1-FFV2 Series for agricultural machines, China manufacturer OEM ODM Laser Engraving Machine, Grinder Machines, Tapping Machine, Carving Machine and so on
Tolerance:+/-0.005mm
Surface Treatment:Zinc/Nickel/Chrome Plating, Passivation, Hardening, High Frequency,Clear Anodizing, Black Anodizing, Black OxideCoating,Degreasing, Brushing, Electronic polishing, Powder coating, Gold plating
Quality Control:100% inspection for the critical dimension
Testing Equipment:KEYENCE Image Dimension Measuring System, KMS 2D measuring Projector, Height Gage, Coordinate Measuring Machine, Hardness Tester,Video Measuring Machine, Chinese AZI brand DKF2510 planetary roller screw shaft 2000mm cnc Salt Spray Tester,Slide caliper, Micrometer.
Delivery Moths:DHL,FEDEX, TNT,SF Or according to customers’ requirement
Lead time:Sample: 1~3 days after confirmation Mass Production: 15~25 days, based on order quantity
Products Description Processing Capacities Company Profile Packing & Delivery FAQ 1) Are you factory or trading company?We are factory, so we can offer you very competitive price and very fast lead time.2) How can I get a quotation?Please provide 2D / 3D files or Samples indicates the material requirement, surface treatment and other requirements. Drawing format: IGS, .STEP, .STP, .JPEG, .PDF, .DWG, .DXF, .CAD…We will submit the quotation in 12 hours during working days. 3) Do you provide samples? Is it free or extra?Yes, just need some sample cost for setup and material cost and courier fee by buyerAnd it will be returned back when proceed into mass production. 4) Will my drawing be safe after you get it?Yes, 12v 24v high torque low rpm brushless dc geared motor we will not release your design to third party unless with your permission. 5) How to deal with the parts received in poor quality?All our products are QC inspected and accepted with inspection report before delivery. In case of non-conformance, please contact us immediately. We will check on the problems to find the cause. We will arrange remake your product or refund to you. 6) What is your MOQ?Trial order before mass production is welcomed. 7) What is your term of payment?40% T/T in advance, balance before shipment. Negotiable.

screwshaft

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are two main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on one side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between two and sixteen inches. A screw with a pointy tip has a smaller major diameter than one without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is one element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of one thread to the corresponding point on the next thread. Measurement is made from one thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in one revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch and lead are two measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are two ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with two or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are two types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China GMQX custom cnc lathe turning machining precision nickel coating stainless steel shaft parts     screw conveyor shaft designChina GMQX custom cnc lathe turning machining precision nickel coating stainless steel shaft parts     screw conveyor shaft design
editor by czh 2023-07-03