Always wear your personal protective equipment for the job.

始終佩戴工作所需的個人防護設備。

This can include, but is not limited to, steel toed boots, safety glasses, and gloves.

這可能包括但不限於鋼趾靴、安全眼鏡和手套。

Also, always follow the standard safety practices established by your employer.

此外，一定要遵守僱主制定的標準安全規範。

Bench setting refers to axial clearance within the unmounted tapered roller bearing, or referred to as TRB.

工作臺基準是指未安裝圓錐滾子軸承內的軸向遊隙，或稱為 TRB。

The different bench settings are bench end play, which is clearance, line-to-line, which is zero clearance, and bench preload, which is negative clearance.

不同的工作臺設置包括工作臺端面間隙（即間隙）、線對線間隙（即零間隙）和工作臺預緊力（即負間隙）。

In most cases, a new TDO will come as a matched assembly.

在大多數情況下，新的 TDO 都是匹配的組件。

There is no need to do any special measurements.

無需進行任何特殊測量。

However, if you need a custom fit or need to machine your own spacer, this measurement process is needed.

但是，如果您需要定製合適的墊片或需要自己加工墊片，則需要進行這一測量過程。

Let's also cover the terminology we will be using during the measurement process.

我們還將介紹測量過程中使用的術語。

A TDO assembly is made of two cones, a double cup, and a cone spacer.

TDO 組件由兩個錐體、一個雙杯和一個錐體墊片組成。

We need to identify the cone back faces and the front faces.

我們需要識別錐體的背面和正面。

Take one of the cones and place the back face on your work surface.

取一個圓錐，將背面放在工作臺上。

Take the double cup and engage it with that cone.

拿起雙杯，與錐形筒齧合。

Apply pressure and rotate to seat the rollers.

施加壓力並旋轉，使滾筒就位。

At this point, we're ready for our first measurement.

現在，我們可以進行第一次測量了。

Using a depth mic, take measurements from the face of the cup down to the cone front face in four locations.

使用深度麥克風，從杯麵向下測量錐體前端四個位置。

Three, six, nine, and twelve.

3、6、9 和 12。

Make sure you don't rotate the cup on the cone so that your readings will be accurate.

確保不要旋轉錐體上的杯子，這樣讀數才會準確。

Record those and average that number.

記錄這些數字並求取平均值。

Then take the double cup and flip it so that it engages the other cone with the other race.

然後拿起雙杯，翻轉雙杯，使其與另一個錐體和另一場比賽齧合。

Again, apply pressure and rotate to seat the rollers.

再次施加壓力並旋轉，使滾筒就位。

Then take four additional readings in each of the quadrants, record, and take the average.

然後在每個象限再測四個讀數，記錄並取平均值。

The third measurement requires an OD mic.

第三次測量需要外徑麥克風。

Measure the width of the cup in four locations around the double cup.

在雙杯周圍的四個位置測量杯子的寬度。

Record that.

記錄下來。

With these three values, we can determine the gap that exists between the cone front faces and the bearing assembly.

有了這三個值，我們就可以確定錐體前端面與軸承組件之間的間隙。

This gap is known as the B gap.

這個缺口被稱為 B 缺口。

To calculate the B gap, add the two averages generated from your depth mic reading and then subtract the average from your OD mic reading.

要計算 B 級間隙，請將深度話筒讀數產生的兩個平均值相加，然後從外徑話筒讀數中減去平均值。

If a spacer is supplied with the assembly, measure the width of the spacer in four locations, calculate the average, and record the value.

如果組件隨附墊片，則測量四個位置的墊片寬度，計算平均值並記錄。

The spacer width minus the B gap equals the bench setting of the bearing assembly.

墊片寬度減去 B 間隙等於軸承組件的臺架設置。

An assembly with a spacer width exactly the same width as the B gap has a setting of zero clearance, also known as line-to-line.

間隙寬度與 B 間隙寬度完全相同的組件，其間隙設置為零，也稱為線對線。

By increasing or decreasing the spacer width, the bearing bench setting can be changed.

通過增加或減少墊片寬度，可以改變軸承臺的設置。

For example, an assembly has a measured B gap equal to 500 thousandths of an inch.

例如，一個組件的 B 間隙測量值等於千分之 500 英寸。

By making a spacer with a width of 500 two thousandths of an inch, the assembly setting now becomes two thousandths of an inch bench end play.

通過製作一個寬度為千分之五百英寸的墊片，裝配設置現在變成了千分之二英寸的工作臺端面間隙。

If you have any questions, contact your Timken sales or service engineer or your authorized Timken distributor. www.timken.com

如有任何疑問，請聯繫鐵姆肯公司銷售或服務工程師或鐵姆肯公司授權經銷商。www.timken.com。