Tag Archives: plastic bearing

China Good Price And Original Quality Factory Single Shaft Screw Feed Screw And Barrel For Plastic Injection Molding Machine set screw bearing shaft tolerance

Condition: New, 100% New
Material: NiWC35 Alloy
Weight (KG): 5
Spare Parts Type: Screw
Video outgoing-inspection: Not Available
Machinery Test Report: Not Available
Warranty: 3 months
Key Selling Points: Competitive Price
Applicable Industries: Industrial
Showroom Location: None
Application: Injection Molding Machine
Payment Method: 100% T/T Advance
Port: HongKong/HangZhou
MOQ: 1/pc
Quality: High Rank
Price: Price Advantage
Industry: Industrial
Marketing Type: Ordinary Product
Port: HongKong/HangZhou

Good Price And Original Quality Factory Single Shaft Screw Feed Screw And Barrel For Plastic Injection Molding Machine Products Description

Brand NameJGH
SupplierChina
CategoryInjection Molding Machinery Parts
Surface Hardness HB240-280
Straightness67-280mm
SurfacenessRa0.4
MaterialAlloy steel
Scope of ApplicationIndustrial
Nitride Brittleness 1 Level
Why Choose Us Company Profile FAQ 1. who are we?We are based in ZheJiang , China, start from 2016,sell to Southeast Asia(50.00%),North America(10.00%), 12v 18v 24v power brushless dc motor 1500 RPM 3000 RPM 4000 RPM for Washing machineRC planeDIY Technical toolfanRobotPump Northern Europe(2.00%).There are total about 51-100 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?special injection molding machine screw, extruder screw, double alloy screw, bimetal screw, roulement a bille rubber sealed rs balero 2rs 6401 6208 rodamiento 6212 bearing deep groove ball screw barrel and other injectionmolding machine accessories4. why should you buy from us not from other suppliers?1) Specializes in automation equipments 2) More than 10 years of industry experience, control each production link. 3) With a sales team of more than 50 people, products are sold all over the world5. what services can we provide?Accepted Delivery Terms: FOB;Accepted Payment Currency:USD;Accepted Payment Type: T/T;Language Spoken:English, Customized Construction Excavator Cross Roller Drive Ring Slew Slewing Bearings for Crane Chinese.

screwshaft

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are two types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The two types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are two types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in two stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to six times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are two different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each one is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the two materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Good Price And Original Quality Factory Single Shaft Screw Feed Screw And Barrel For Plastic Injection Molding Machine     set screw bearing shaft toleranceChina Good Price And Original Quality Factory Single Shaft Screw Feed Screw And Barrel For Plastic Injection Molding Machine     set screw bearing shaft tolerance
editor by czh 2023-07-03

China factory Professional Linear Bearing Factory CNC 3D Printer Aluminum Alloy or Plastic Linear Motion CZPT Rail Shaft Slide Ball Bearing (SBR TBR CZPT LM LME LMF LMK KH) with Free Design Custom

Product Description

Professional Factory CNC Machine 3D Printer Aluminum Alloy or Plastic Linear Motion Xihu (West Lake) Dis. Rail Shaft Block Slide Ball Bearing (SBR TBR CZPT LM LME LMF LMK KH)

Product Description

Linear bearings are widely used in electronic equipment, pull tester and the digital three-dimensional coordinate measuring device, such as precision equipment, as well as multi-axis machine tools, press, tool grinder, automatic gas cutting machine, printer, card sorting machine, food packaging machines and other industrial machinery sliding components.
Type LM..UU;LME..UU;LM…LUU;LME..LUU;LM..OP; LMF..UU/LUU;LMK..UU/LUU;LMH..UU/LUU; KH
Model number LM bearing:
LM3,LM4UU,LM5UU,LM6UU,LM8UU,LM8S,LM10UU,LM12UU,LM13UU,LM16UU,LM20UU,LM25UU,LM30UU, LM35UU,LM40UU,              LM50UU,LM60UU, LM80UU,LM100UU
LME linear bearing: 
LME3UU,LME4UU,LME5UU,LME6UU,LME8UU,LME8S,LME10UU,LME12UU,LME13UU, LME16UU,LME20UU,LME25UU,LME30UU,LME35UU,LME40UU,LME50UU,LME60UU, LME80UU,LME100UU
 LM Open Series linear bearing:
LM10OPUU,LM12OPUU,LM13OPUU,LM16OPUU,LM20OPUU,LM25OPUU, LM30OPUU,LM35OPUU,LM40OPUU,LM50OPUU,LM60OPUU,LM80OPUU,LM100OPUU
Flange type linear bearing:
LMF6UU,LMF8UU,LMF10UU,LMF12UU,LMF13UU,LMF16UU,LMF20UU,LMF25UU,LMF30UU, LMF35UU,LMF40UU,LMF50UU,LMF60UU
LMK6UU,LMK8UU,LMK10UU,LMK12UU,LMK13UU,LMK16UU,LMK20UU,LMK25UU,LMK30UU,LMK35UU,LMK40UU,LMK50UU,LMK60UU
LMH6UU,LMH8UU,LMH10UU,LMH12UU,LMH13UU,LMH16UU,LMH20UU,LMH25UU,LMH30UU
KH type linear bearing
KH0622PP,KH0824PP,KH1026PP,KH1228PP,KH1630PP,KH2030PP, KH2540PP,KH3050PP,KH4060PP,KH5070PP
Material Gcr15 steel
Application Machine centers,Machine tools,Precision machining machines,Heavy cutting machines,
Punching machines,Marble cutting machines,Automatic equipments,Grinding machines,High speed transfer equipments,Injection molding machines,Measuring equipments

Aluminium Linear Ball Bearing Slide Unit 
Model number Supported Liner Rail: SBR16,20,25,30,35,40,50; TBR16,20,25,30  Length:0-6000mm
SBR..UU:  SBR10UU, SBR12UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU,SBR40UU, SBR50UU;
SBR…LUU:SBR10LUU,SBR12LUU,SBR16LUU,SBR20LUU,SBR25LUU,SBR30LUU,SBR35LUU,SBR40LUU,SBR50LUU
TBR..UU: TBR16UU, TBR20UU, TBR25UU, TBR30UU;TBR…LUU:TBR16LUU, TBR20LUU, TBR25LUU, TBR30LUU
SCS..UU:SCS6UU,SCS8UU,SCS10UU,SCS12UU,SCS13UU,SCS16UU,SCS20UU,SCS25UU,SCS30UU,SCS35UU,SCS40UU,SCS50UU
SCS..LUU:SCS8LUU,SCS10LUU,SCS12LUU,SCS13LUU,SCS16LUU,SCS20LUU,SCS25LUU,SCS30LUU,SCS35LUU,SCS40LUU,SCS50LUU
SC..VUU: SC8VUU,SC10VUU,SC12VUU,SC13VUU,SC16VUU,SC20VUU,SC25VUU,SC30VUU,SC35VUU,SC40VUU, SC50VUU
SHF..A:SHF8,SHF10,SHF12,SHF13,SHF16,SHF20,SHF25,SHF30,SHF35,SHF40,SHF50
SH..A(SK):SK8,SK10,SK12,SK13,SK16,SK20,SK25,SK30,SK35,SK40,SK50,SK60 
Material Aluminum Alloy
Appearance Anodized surface, high hardness, corrosion resistance, not rust, low noise
Application 3D printer, milling machine, CNC engine lathe, gear shaper, hobbing, precision machine tools, robotics, semiconductor, electric tools, sports equipment, woodworking machinery, food machinery, medical machinery, textile machinery, optical instruments, glass manufacturing, automobile manufacturing equipment, automation equipment, laser engraving, blanket machinery, ceramic tile machinery, printing machinery, electronic industry, man-made board bearing equipment, machinery, paper machinery, plastic machinery, inspection devices, transmission equipment, packaging machinery, textile machinery
OEM&Customized Accepted to drawing

 

Detailed Photos

 

 

Company Profile

 

HangZhou City CZPT Bearing Co., Ltd. is a professional manufacturer of linear motion products with many years’ experience. We are specialized in the producing linear shaft, linear guides, ball screws,  linear bearings, linear CZPT blocks, ball screw end supports, linear rails, cam followers with good quality and competitive price. Our company is located in HangZhou city, ZHangZhoug province, close to HangZhou port and HangZhou city.

Our products are widely used in precise machines, fitness equipment, printing machines, packing machines, medical and food machines, textile machinery and other machines and supplementary equipment. Our products sell well in North America, West Europe, Australia, Southeast Asia, Middle East, South America and other regions.

After Sales Service

Our Quality: 

Quality is the life . We use only the best quality material to ensure the standard of our product range is of the highest caliber.All products we sold out are strictly selected and tested by our QC department.
Warranty: 
All products may have problem after used by a period of time. We provide 1 year warranty for all products. 
Payment: 
We accept payment via TT (Bank transfer), Paypal,Western Union, and Money Gram.
We accept bank transfer for large orders. For small order, you’d better pay via Paypal,Western union or Money Gram
Shipping: 
We offer as many shipping options as possible, including DHL, UPS, TNT, FEDEX and EMS, Airfreight and by Sea.

FAQ

1. Are you factory or trading company?

We are professional manufacturer with most competitive price and high quality, 15 year’s experience.

2.What’s your product range?
We are specialized in producing linear shafts, linear bearings, linear guides, linear rails, ball screws,cam follower and other linear motion units.

3.Do you offer OEM&ODM services?
Yes, OEM, ODM is welcomed

4.How Can I get some samples?
We are honored to offer samples. You are requested to pay the shipping cost and some samples cost.

5.What does your factory do about quality control?
We uphold the tenet of “Quality is the future, we have passed ISO9001 certification, and we have strict procedures to control quality.

6. How can I get a quotation?
You can send quotation below or email to us. you can contact dirrectly with us through TM or WhatsApp,Skype as you like.Call any time if you are urgent.

 

Main Products

 

 

Screw Shaft Types

If you’re looking for a screw shaft, but aren’t sure which type to buy, you’re in luck. In this article, we’ll talk about the different types, including Threaded shank, Round head, and Machined. Once you’ve read it, you’ll know which type to buy. Then, you can decide whether you want a ball screw nut or a threaded shank.

Machined screw shafts

Besides the standard stainless steel shaft, manufacturers also provide a variety of other materials, such as titanium, bronze, and brass. In addition to stainless steel, manufacturers also provide a variety of top-coating options, including zinc, brass, and chromium. Aluminum screws are not particularly durable and are easily affected by weather. Most screw shafts feature self-locking mechanisms. They are especially useful in C-clamps, vises, and screw-top container lids.
For applications where accuracy is vital, a ball screw shaft needs to be annealed. A heat treatment can be performed on the ball screw shaft to ensure that both ends are heated evenly. In this process, the shaft will be more durable, while maintaining its high-precision properties. These screw shafts are a key component in computer-controlled motion-control systems, wire bonding, and other industries that require high-precision and high-quality performance.
Depending on the material used, screw shafts can be made of stainless steel or titanium. High-precision CNC machines and lathes are typically used to manufacture screw shafts. Various shapes and sizes are available, each with a specific application. Whether you need a small or large screw, you can find 1 to fit your needs. And since each size requires a different material, your choice of material is important as well.
In general, the materials used for machining screw shafts are steel, stainless steel, titanium, brass, bronze, and aluminum. Metals that resist corrosion are also commonly used. Other materials for screw shafts are Teflon, nylon, and nylon. You can also find threaded screw shafts in materials such as porcelain, glass, and ceramic. If you want to use your screws in a unique material, consider purchasing a customized one.
screwshaft

Ball screw nuts

If you have a screw shaft, the last thing you want to worry about is the ball nut slipping off. To prevent this, you can place a temporary stop in the shaft’s grooves to ensure that the ball nut does not slide off. When you remove the stop, you can then install the ball screw nut. But, before you can install the ball screw nut, you have to make sure that you have a good grip on the shaft.
When selecting ball screw nuts, it’s important to consider how much preload you need to apply to avoid excessive backlash. Preloading eliminates this problem by making the ball nut compact. It also prevents backlash, which is lost motion caused by clearance between the ball and nut. Backlash disrupts repeatability and accuracy. This is where spacer preloading comes in. You can insert a spacer between the 2 ball nuts to transmit the force to the nut. However, you should keep in mind that this method reduces the load capacity of the ball screw.
The critical speed of a screw is the maximum rotating speed before it whips. This critical speed is influenced by several factors, including the diameter of the screw shaft, the number of support elements, and the material. By adjusting these factors, you can reduce the number of components used and the amount of time it takes to assemble the screw shaft. In addition, you can also reduce the number of components and avoid stacking tolerances. However, the critical speed of plastic nuts is limited due to sliding friction.
The ball screw nut has several characteristics that make it unique. Its most prominent feature is the presence of ball bearings. These balls help reduce friction between the screw nut and the shaft. Without ball bearings, the friction would be too high to function properly. Another important characteristic is the groove profile of the nut and ball. These 2 features ensure that the ball and the nut meet at 2 points. You’ll be amazed by the results of the work of these ball screw nuts.
screwshaft

Threaded shank

Wood screws are usually not fully threaded because the shank has an unthreaded portion at the top. This shoulder part forces the screw to compress 2 pieces of wood, which prevents the screw from overheating and compromising the materials strength. As the screw is threaded partially up, it is not as difficult to remove as a fully threaded screw. However, it is important to note that a wood screw will not hold as tightly as 1 with a fully threaded shank.
In addition to being universal, screw threads can be of different sizes. For example, a M8 screw has a thread pitch of 1.25 mm. To avoid confusion, screw thread pitches are commonly given with a multiplication sign. For example, M8x1 means that the screw is 8 mm in diameter but has a thread pitch of 1 mm per 360-degree rotation. Those who are not familiar with these dimensions may find it confusing.
The OD of the threaded portion of a bolt is generally smaller than the OD of the nut. If the shank is too deep for the nut to fit, the threads may bottom out. This is why it’s important to use a thread-cutting bit with a small thread diameter. You can use a micrometer or caliper to measure the thread diameter. This tool will also allow you to easily identify which screw size fits where and how well.
The metric system is the most widely used. Fasteners with DIN numbers are generally metric in size. This makes them very useful for industrial settings. You can find metric-sized screws anywhere, as long as you buy them from a reputable manufacturer. These fasteners also come with a dog point, which is used for safety wire. If the screw needs to be replaced, the shank can be drilled with a hole for a safety wire or for a dog-point.

Round head

A round head screw is the most common type used for machine screws. Other common types include truss head, flat head, and hexed head. Each has a different profile and are used for different purposes. A round head screw is typically wider than a flat or a hexed head, and has a slightly rounded surface. These screws are useful for projects involving sheet metal or sheet-metal parts. Round heads are usually slightly wider than a hex head screw, and they may also be used as a substitute for washers in certain applications. However, truss heads are not necessary for every project.
A wood screw has a smooth shank that protrudes above the surface of the material it is attaching. A metal screw has a threaded shaft that is fully threaded from head to point, and a fully threaded shaft provides more bite. Two common head styles are round head and pan head. If the task requires the screw to be flush or countersunk, the round head will be the best choice.
Another type is the Reed & Prince screw drive. These are similar to Phillips screws but have a 75-degree V shape. They are commonly used in marine hardware and are also known as BNAE NFL22-070. This type is also used for steel plate hangers. In addition to round head and pan head screws, there are a variety of other screw types. You can even get a head with a slotted head if you know where to look.
Screw diameters are specified according to the ISO 261 or ISO 262 standards. An M8 screw has a diameter of 8.25 mm. The M8 screw has a pitch of 1.25 mm, which is equivalent to 1 mm per 360 degrees. There are several other standard screw sizes and thread diameters available. You can find them all by consulting the relevant standards. But remember, the metric system is the most popular.
screwshaft

Self-locking mechanism

A self-locking mechanism for a screw shaft is a device that secures the screw to its supporting member in a failure position. The locking mechanism provides a positive connection between the screw shaft and the control surface during normal operation, and locks the screw to its supporting member when the screw fails. Previous attempts to solve this problem have typically used secondary nuts with free play on the screw, which were intentionally designed to jam when loaded. However, such a device can be unreliable, which is why the present invention offers a more robust and reliable locking mechanism.
The self-locking function of a screw depends on several factors, including its pitch angle and the coefficient of friction of the threads. The angle of friction must be less than the tangent of the material pairing to prevent untightening of the screw. Screws with self-locking mechanisms have an efficiency e lower than 50%, which is less than half. Self-locking screws also have the benefit of being less efficient than a standard screw.
Unlike a normal screw, a self-locking screw can be turned in either direction. The nut 22 rotates with the screw shaft, and the member 23 is translated in an axial direction. Regardless of the direction of the rotation of the screw, this axial translation will result in the opposite moment to that input moment. While screw self-locking mechanisms are typically less expensive, they are more reliable and durable.
Another important feature of self-locking screws is that they are not susceptible to independent loosening. The screw cannot rotate without a certain amount of torque. In addition, a self-locking screw shaft must have a small wedge with a smaller half-angle than the arctangent of the static friction. This means that the torque applied by the driver must be greater than the torque needed to overcome the friction.

China factory Professional Linear Bearing Factory CNC 3D Printer Aluminum Alloy or Plastic Linear Motion CZPT Rail Shaft Slide Ball Bearing (SBR TBR CZPT LM LME LMF LMK KH)   with Free Design CustomChina factory Professional Linear Bearing Factory CNC 3D Printer Aluminum Alloy or Plastic Linear Motion CZPT Rail Shaft Slide Ball Bearing (SBR TBR CZPT LM LME LMF LMK KH)   with Free Design Custom