China SBR30 TBR30 High Precision SBR TBR Sc Scs Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers screw blade shaft

Item Description

SBR30 TBR30 Higher Precision SBR TBR SC CZPT LM sliding rod Aluminum Linear Shaft For computerized precision printers

MODEL NO. SHAFT
DIAMETER
MAIN Proportions Mounting dimension BESICLOAD Rating WEEGHT
(kg)
h E W L F T h1 o B C S L1 DYNAMIC STATEC
SBR10UU ten 15 18 36 32 24 7 six 80° 25 20 M5 10 38 fifty six .065
SBR13UU thirteen 17 20 forty 39 27.6 eight 8.five 80° 28 26 M5 10 fifty two eighty .one hundred
SBR16UU 16 20 22.5 forty five 45 33 nine 10 80° 32 30 M5 twelve 59 91 .150
SBR20UU twenty 23 24 forty eight fifty 39 eleven ten 60° 35 35 M6 twelve 88 a hundred and forty .200
SBR25UU 25 27 30 sixty sixty five 47 fourteen 11.5 50° 40 40 M6 twelve one hundred 160 .forty five
SBR30UU thirty 33 35 70 70 fifty six 15 fourteen 50° 50 fifty M8 18 a hundred and sixty 280 .sixty three
SBR35UU 35 37 40 eighty eighty sixty three 18 sixteen 50° fifty five fifty five M8 eighteen 170 320 .92
SBR40UU forty 42 45 ninety ninety seventy two twenty 19 50° 65 65 M10 20 220 410 one.33
SBR50UU fifty 53 60 120 one hundred ten ninety two 25 23 50° 94 eighty M10 20 390 810 three.00
                                 
SBR16LUU sixteen twenty 22.5 45 85 33 nine 10 80° 32 sixty M5 12 a hundred and fifty five 236 .three
SBR20LUU twenty 23 24 48 96 39 11 ten 60° 35 70 M6 12 176 274 .4
SBR25LUU 25 27 thirty 60 a hundred thirty forty seven fourteen 11.five 50° forty a hundred M6 12 196 314 .nine
SBR30LUU thirty 33 35 70 140 56 fifteen fourteen 50° 50 a hundred and ten M8 eighteen 314 648 1.26
SBR40LUU 40 forty two forty five 90 175 seventy two twenty 19 50° 65 a hundred and eighty M10 20 432 804 two.sixty six

Quick Details
Kind: Linear, linear movement
Precision Ranking:
P0, P4, P5, P6
Design Amount: SBR13
Materials: Metal

Specifications
China SBR13 Linear Motion Bearings
1. Extended services daily life
2…Lower friction
3. ISO: 9001: 2008
4. Kind: Linear

Packaging & Shipping and delivery
Packaging Detail: 1pc in a color box or 10pcs in a plastic box. Tiny box +carton+pallet According to customers’ prerequisite
Delivery Element: 3-7days

As a skilled linear movement products maker with several several years expriences, we could supply a lot of kinds of linear rail and Linear motion bearings with excellent high quality but much more competitive price tag in this discipline.

Closed types: SCS6UU/LUU- SCS60UU/LUU
Open varieties: SBR12UU/LUU-SBR50UU/LUU
Open up flange types: TBR16UU/LUU-TBR30UU/LUU

Characteristic:
1. Complete sliding models program with higher accurrfangce and can be moved without having deflection
two. Long life use.
three…Prompt shipping and delivery and good service.
four. Stocking toes and lower batch wholesale.
5. ISO9001: 2008, SGS good quality certificates
six. Welcome to inquiry!

LM linear bearing:

LM3UU, 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

LMB linear bearing: LMB4UU, LMB6UU, LMB8UU, LMB10UU, LMB12UU, LMB16UU, LMB24UU, LMB32UU
LM Open Sequence linear bearing: LM10OPUU, LM12OPUU, LM13OPUU, LM16OPUU, LM20OPUU, LM25OPUU, LM3OOPU, LM35OPUU, LM40OPUU, LM50OPUU, LM60OPUU, LM80OPUU, LM100OPUU
KH variety linear bearing: KH0622PP, KH0824PP, KH1026PP, KH1228PP, KH1630PP, KH2030PP,

KH2540PP, KH3050PP, KH4060PP, KH5070PP

Stell Cage Linear Bearing:

  LM8GA, LM10GA, LM12GA, LM16GA, LM20GA,

LM25GA, LM30GA, LM35GA, LM40GA, LM50GA, LM60GA

SDM sequence Metal cage linear bearing(As same as Ease SDM sequence): SDM16, SDM20, SDM25, SDM30, SDM35, SDM40, SDM50, SDM60, SDM80, SDM100, SDM120, SDM150
Flange Sort Linear Bearing:

LMF6UU, LMF8UU, LMF10UU, LMF12UU, LMF13UU, LMF16UU, LMF20UU, LMF25UU, LMF30UU,

LMF35UU, LMF40UU, LMF50UU, LMF60UU, LMF80UU, LMF100UU

LMK6UU, LMK8UU, LMK10UU, LMK12UU, LMK13UU, LMK16UU, LMK20UU, LMK25UU, LMK30UU,

LMK35UU, LMK40UU, LMK50UU, LMK60UU, LMK80UU, LMK100UU

LMT6UU, LMT8UU, LMT10UU, LMT12UU, LMT13UU, LMT16UU, LMT20UU, LMT25UU, LMT30UU.

Linear Slide Device:

1. Near Variety: SC8UU, SC10UU, SC12UU, SC13UU, SC16UU, SC20UU, SC25UU, SC30UU, SC35UU, SC40UU, SC50UU, SC60UU (typical sort)

SC8WUU, SC10WUU, SC12WUU, SC13WUU, SC16WUU, SC20WUU, SC252UU, SC30WUU, SC35WUU, SC40WUU, SC50WUU (extended variety) SC8VUU, SC10VUU, SC12VUU, SC13VUU, SC16VUU, SC20VUU, SC25VUU, SC30VUU, SC35VUU, SC40VUU, SC50VUU(Brief sort)

2. Open Variety: SBR10UU, SBR12UU, SBR13UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU, SBR40UU, SBR50UU(Typical type) SBR10LUU, SBR12LUU, SBR13LUU, SBR16LUU, SBR20LUU, SBR25LUU, SBR30LUU, SBR35LUU, SBR40LUU, SBR50LUU(Long type) TBR16UU, TBR20UU, TBR25UU, TBR30UU (This sort with the flange at the pillow block)

Shaft Help: SK/SHF SHAFT Support: SK8, SK10, SK12, SK13, SK16, SK20, SK25, SK30, SK35, SK40, SK50, SK60 SHF8, SHF10, SHF12, SHF13, SHF16, SHF20, SHF25, SHF30, SHF35, SHF40, SHF50,

Bearing Structure: Split Plain Bearing
Type of Lubricant: Oil-Lubricated Bearing
Lubricant & Load: Hydrodynamic Bearing
Bushing Material: Self-Lubrication
Bearing Direction: Radial
Lubricating Way: Maintenance-Free Bearing

###

Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

MODEL NO. SHAFT
DIAMETER
MAIN DIMENSIONS Mounting dimension BESICLOAD RATING WEEGHT
(kg)
h E W L F T h1 o B C S L1 DYNAMIC STATEC
SBR10UU 10 15 18 36 32 24 7 6 80° 25 20 M5 10 38 56 0.065
SBR13UU 13 17 20 40 39 27.6 8 8.5 80° 28 26 M5 10 52 80 0.100
SBR16UU 16 20 22.5 45 45 33 9 10 80° 32 30 M5 12 59 91 0.150
SBR20UU 20 23 24 48 50 39 11 10 60° 35 35 M6 12 88 140 0.200
SBR25UU 25 27 30 60 65 47 14 11.5 50° 40 40 M6 12 100 160 0.45
SBR30UU 30 33 35 70 70 56 15 14 50° 50 50 M8 18 160 280 0.63
SBR35UU 35 37 40 80 80 63 18 16 50° 55 55 M8 18 170 320 0.92
SBR40UU 40 42 45 90 90 72 20 19 50° 65 65 M10 20 220 410 1.33
SBR50UU 50 53 60 120 110 92 25 23 50° 94 80 M10 20 390 810 3.00
                                 
SBR16LUU 16 20 22.5 45 85 33 9 10 80° 32 60 M5 12 155 236 0.3
SBR20LUU 20 23 24 48 96 39 11 10 60° 35 70 M6 12 176 274 0.4
SBR25LUU 25 27 30 60 130 47 14 11.5 50° 40 100 M6 12 196 314 0.9
SBR30LUU 30 33 35 70 140 56 15 14 50° 50 110 M8 18 314 648 1.26
SBR40LUU 40 42 45 90 175 72 20 19 50° 65 180 M10 20 432 804 2.66

###

LM linear bearing:

LM3UU, 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

LMB linear bearing: LMB4UU, LMB6UU, LMB8UU, LMB10UU, LMB12UU, LMB16UU, LMB24UU, LMB32UU
LM Open Series linear bearing: LM10OPUU, LM12OPUU, LM13OPUU, LM16OPUU, LM20OPUU, LM25OPUU, LM3OOPU, LM35OPUU, LM40OPUU, LM50OPUU, LM60OPUU, LM80OPUU, LM100OPUU
KH type linear bearing: KH0622PP, KH0824PP, KH1026PP, KH1228PP, KH1630PP, KH2030PP,

KH2540PP, KH3050PP, KH4060PP, KH5070PP

Stell Cage Linear Bearing:

  LM8GA, LM10GA, LM12GA, LM16GA, LM20GA,

LM25GA, LM30GA, LM35GA, LM40GA, LM50GA, LM60GA

SDM series Steel cage linear bearing(As same as Ease SDM series): SDM16, SDM20, SDM25, SDM30, SDM35, SDM40, SDM50, SDM60, SDM80, SDM100, SDM120, SDM150
Flange Type Linear Bearing:

LMF6UU, LMF8UU, LMF10UU, LMF12UU, LMF13UU, LMF16UU, LMF20UU, LMF25UU, LMF30UU,

LMF35UU, LMF40UU, LMF50UU, LMF60UU, LMF80UU, LMF100UU

LMK6UU, LMK8UU, LMK10UU, LMK12UU, LMK13UU, LMK16UU, LMK20UU, LMK25UU, LMK30UU,

LMK35UU, LMK40UU, LMK50UU, LMK60UU, LMK80UU, LMK100UU

LMT6UU, LMT8UU, LMT10UU, LMT12UU, LMT13UU, LMT16UU, LMT20UU, LMT25UU, LMT30UU.

Linear Slide Unit:

1. Close Type: SC8UU, SC10UU, SC12UU, SC13UU, SC16UU, SC20UU, SC25UU, SC30UU, SC35UU, SC40UU, SC50UU, SC60UU (normal type)

SC8WUU, SC10WUU, SC12WUU, SC13WUU, SC16WUU, SC20WUU, SC252UU, SC30WUU, SC35WUU, SC40WUU, SC50WUU (long type) SC8VUU, SC10VUU, SC12VUU, SC13VUU, SC16VUU, SC20VUU, SC25VUU, SC30VUU, SC35VUU, SC40VUU, SC50VUU(Short type)

2. Open Type: SBR10UU, SBR12UU, SBR13UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU, SBR40UU, SBR50UU(Normal type) SBR10LUU, SBR12LUU, SBR13LUU, SBR16LUU, SBR20LUU, SBR25LUU, SBR30LUU, SBR35LUU, SBR40LUU, SBR50LUU(Long type) TBR16UU, TBR20UU, TBR25UU, TBR30UU (This type with the flange at the pillow block)

Shaft Support: SK/SHF SHAFT SUPPORT: SK8, SK10, SK12, SK13, SK16, SK20, SK25, SK30, SK35, SK40, SK50, SK60 SHF8, SHF10, SHF12, SHF13, SHF16, SHF20, SHF25, SHF30, SHF35, SHF40, SHF50,
Bearing Structure: Split Plain Bearing
Type of Lubricant: Oil-Lubricated Bearing
Lubricant & Load: Hydrodynamic Bearing
Bushing Material: Self-Lubrication
Bearing Direction: Radial
Lubricating Way: Maintenance-Free Bearing

###

Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

MODEL NO. SHAFT
DIAMETER
MAIN DIMENSIONS Mounting dimension BESICLOAD RATING WEEGHT
(kg)
h E W L F T h1 o B C S L1 DYNAMIC STATEC
SBR10UU 10 15 18 36 32 24 7 6 80° 25 20 M5 10 38 56 0.065
SBR13UU 13 17 20 40 39 27.6 8 8.5 80° 28 26 M5 10 52 80 0.100
SBR16UU 16 20 22.5 45 45 33 9 10 80° 32 30 M5 12 59 91 0.150
SBR20UU 20 23 24 48 50 39 11 10 60° 35 35 M6 12 88 140 0.200
SBR25UU 25 27 30 60 65 47 14 11.5 50° 40 40 M6 12 100 160 0.45
SBR30UU 30 33 35 70 70 56 15 14 50° 50 50 M8 18 160 280 0.63
SBR35UU 35 37 40 80 80 63 18 16 50° 55 55 M8 18 170 320 0.92
SBR40UU 40 42 45 90 90 72 20 19 50° 65 65 M10 20 220 410 1.33
SBR50UU 50 53 60 120 110 92 25 23 50° 94 80 M10 20 390 810 3.00
                                 
SBR16LUU 16 20 22.5 45 85 33 9 10 80° 32 60 M5 12 155 236 0.3
SBR20LUU 20 23 24 48 96 39 11 10 60° 35 70 M6 12 176 274 0.4
SBR25LUU 25 27 30 60 130 47 14 11.5 50° 40 100 M6 12 196 314 0.9
SBR30LUU 30 33 35 70 140 56 15 14 50° 50 110 M8 18 314 648 1.26
SBR40LUU 40 42 45 90 175 72 20 19 50° 65 180 M10 20 432 804 2.66

###

LM linear bearing:

LM3UU, 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

LMB linear bearing: LMB4UU, LMB6UU, LMB8UU, LMB10UU, LMB12UU, LMB16UU, LMB24UU, LMB32UU
LM Open Series linear bearing: LM10OPUU, LM12OPUU, LM13OPUU, LM16OPUU, LM20OPUU, LM25OPUU, LM3OOPU, LM35OPUU, LM40OPUU, LM50OPUU, LM60OPUU, LM80OPUU, LM100OPUU
KH type linear bearing: KH0622PP, KH0824PP, KH1026PP, KH1228PP, KH1630PP, KH2030PP,

KH2540PP, KH3050PP, KH4060PP, KH5070PP

Stell Cage Linear Bearing:

  LM8GA, LM10GA, LM12GA, LM16GA, LM20GA,

LM25GA, LM30GA, LM35GA, LM40GA, LM50GA, LM60GA

SDM series Steel cage linear bearing(As same as Ease SDM series): SDM16, SDM20, SDM25, SDM30, SDM35, SDM40, SDM50, SDM60, SDM80, SDM100, SDM120, SDM150
Flange Type Linear Bearing:

LMF6UU, LMF8UU, LMF10UU, LMF12UU, LMF13UU, LMF16UU, LMF20UU, LMF25UU, LMF30UU,

LMF35UU, LMF40UU, LMF50UU, LMF60UU, LMF80UU, LMF100UU

LMK6UU, LMK8UU, LMK10UU, LMK12UU, LMK13UU, LMK16UU, LMK20UU, LMK25UU, LMK30UU,

LMK35UU, LMK40UU, LMK50UU, LMK60UU, LMK80UU, LMK100UU

LMT6UU, LMT8UU, LMT10UU, LMT12UU, LMT13UU, LMT16UU, LMT20UU, LMT25UU, LMT30UU.

Linear Slide Unit:

1. Close Type: SC8UU, SC10UU, SC12UU, SC13UU, SC16UU, SC20UU, SC25UU, SC30UU, SC35UU, SC40UU, SC50UU, SC60UU (normal type)

SC8WUU, SC10WUU, SC12WUU, SC13WUU, SC16WUU, SC20WUU, SC252UU, SC30WUU, SC35WUU, SC40WUU, SC50WUU (long type) SC8VUU, SC10VUU, SC12VUU, SC13VUU, SC16VUU, SC20VUU, SC25VUU, SC30VUU, SC35VUU, SC40VUU, SC50VUU(Short type)

2. Open Type: SBR10UU, SBR12UU, SBR13UU, SBR16UU, SBR20UU, SBR25UU, SBR30UU, SBR35UU, SBR40UU, SBR50UU(Normal type) SBR10LUU, SBR12LUU, SBR13LUU, SBR16LUU, SBR20LUU, SBR25LUU, SBR30LUU, SBR35LUU, SBR40LUU, SBR50LUU(Long type) TBR16UU, TBR20UU, TBR25UU, TBR30UU (This type with the flange at the pillow block)

Shaft Support: SK/SHF SHAFT SUPPORT: SK8, SK10, SK12, SK13, SK16, SK20, SK25, SK30, SK35, SK40, SK50, SK60 SHF8, SHF10, SHF12, SHF13, SHF16, SHF20, SHF25, SHF30, SHF35, SHF40, SHF50,

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these two styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during one rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with one or two independent closed paths. Multi-circuit ball nuts have two or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China SBR30 TBR30 High Precision SBR TBR Sc Scs Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers     screw blade shaftChina SBR30 TBR30 High Precision SBR TBR Sc Scs Lm Sliding Rod Aluminum Linear Shaft for Automatic Precision Printers     screw blade shaft
editor by czh 2023-01-16