標(biāo)準(zhǔn)Criterion

帶速（m/s）Belt Speed

托輥長度Length of Idlers（mm）

≤550

＞550-950

＞950-1600

＞1600-2400

浙江寶科托輥

ZJBAOKE Idlers

≤0.5

0.6

1.0

1.2

日本標(biāo)準(zhǔn)JIS

＞4.15

≤4.15

0.5

1.0

0.8

1.2

1.0

1.5

1.2

2.0

中國標(biāo)準(zhǔn)

GB

＞3.15

≤3.15

0.5

0.7

0.7

1.0

1.3

1.5

1.7

1.9

序號No.

項(xiàng)目名稱Items

技術(shù)特性和性能保證Iechnical Performance

1

使用壽命

Life-Span

正常使用，壽命不小于50000小時(shí)，有效使用期內(nèi)損壞率不超過5%

Life-span will be no less than 50000 hours for normal use. and the replacing ratio will be less than 5% during the period of validity.

2

托輥旋轉(zhuǎn)阻力系數(shù)

Rotation Resistance Factor

出廠實(shí)驗(yàn)室檢測Lab test before Leaving factory：≤0.010；

工程使用條件下Load-carrying condition：≤0.020。（動力計(jì)算用）: (for calculation of conveyer drive horsepower)

3

托輥外圓徑向跳動

Idler Radial Runout of Outside Diameter

≤0.5mm (托輥輥長≤550mm) (Length of Idler≤550mm)

≤0.6mm (托輥輥長＞550－950mm) (Length of Idler＞550－950mm)

≤1.0mm (托輥輥長＞950－1600mm) (Length of Idler＞950－1600mm)

≤1.2mm (托輥輥長＞1600－2400mm) (Length of Idler＞1600－2400mm)

4

托輥軸向位移量

Roller Axial displacement

≤0.5mm (國家標(biāo)準(zhǔn)≤0.7mm) (GB：≤0.7mm)

5

托輥粉塵及進(jìn)水量

Dust and Water in Roller

輥?zhàn)釉诰哂蟹蹓m的的容器內(nèi)連續(xù)運(yùn)轉(zhuǎn)200小時(shí)后，粉塵不進(jìn)入密封潤滑脂腔內(nèi)（國家標(biāo)準(zhǔn)為不進(jìn)入軸承潤滑脂內(nèi)）。在淋水工況條件下連續(xù)運(yùn)轉(zhuǎn)72小時(shí)后，進(jìn)水量小于5g(國家標(biāo)準(zhǔn)≤150g)。

After 200 hours running operation in a container filled with dust,there will be no dust in seal grease chamber of roller(national standard is:there will be no dust in bearing grease).Aster 72 hours running operation under the operation condition of pouring water.water,the amount of water in seal will be less than 5g(national standard is≤150g).

6

托輥軸向承載能力

Axial Carrying Capacity of Coller

＞15KN

7

托輥跌落試驗(yàn)

Roller Falling test

符合GB10595-89標(biāo)準(zhǔn)

Accord with the Standard of GB10595-89

8

托輥軸承密封件

Bearing Seal

采用浙江寶科公司專利制造，三彎道長密封腔小間隙腔隙式密封結(jié)構(gòu)，具有優(yōu)良的防塵、防水性能。

Introduce the patent of ZJBAOKE,is of the labyrinth seal with the structure of 3 curve channels,long seal chamber,small clearance,so have the excellent performance of waterproof and dustproof.

9

托輥軸承

Bearing

托輥軸承采用承載能力大、速度特性好的深溝球軸承（游隙等級采用標(biāo)準(zhǔn)游隙或C3組游隙）。并采用國家名牌產(chǎn)品。

Employ deep-groove ball bearing to ensure the large carrying capacity and reliable speed (employ normal clearance or c3 group of clearance.All bearings used will come from famous manufacturer

10

托輥輥體

Roller Shell

托輥軸體采用高精度托輥專用高頻焊管。生產(chǎn)標(biāo)準(zhǔn)高于GB13792-92較高級的要求。鋼管的厚度滿足強(qiáng)度和剛度要求。

Roller shell will employ high precision welded steel pipe special for roller.The pipe selected is above the higher precision of GB13792-92.The thickness of pipe can entirely meet the needs of intensity and rigidity.

11

托輥軸

Roller Shaft

托輥軸采用高精度冷拔圓鋼，尺寸公差和表面質(zhì)量標(biāo)準(zhǔn)高于GB/T3078-94。托輥軸具有足夠的剛度和強(qiáng)度，保證軸的轉(zhuǎn)角≤10`。

High precision cold finished steel bar are employed for roller shaft material,the dimension tolerance and surface quality exceed the stipulation of GB/t3078-94.The roller shaft is of adequate intensity and rigidity to ensure the diversion corner of much less than 10`.