SKF tapered bore bearing device approach

Source: China Bearing Network Time: 2018-02-23

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Regarding larger bearings; it is recommended to use the SKF Drive-up Method. This method saves time and more precision than measuring the reduction of the clearance and the tightening of the lock nut. The device with extra large bearings can measure the expansion of the inner ring by the SKF SensorMount Method. Because the sensor is embedded in the inner ring of the bearing; it can be installed more easily, quickly and accurately.
The bearing with tapered bore is usually an interference cooperation device. The interference can be determined by measuring the radial clearance reduction or the axial displacement of the inner ring on the conical journal. Suitable for the device tapered bore spherical roller bearing The method includes: measuring the clearance reduction, measuring the locking viewpoint of the locking and closing, measuring the axial pushing interval, measuring the small amount of the inner ring expansion, the inner diameter of 100 mm or less; capable of measuring the locking nut of the locking nut Device.

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HDMI, known as High Definition Multimedia Interface, is mainly used for transmitting HD audio and video signals.

There are three types of data transmitted by HDMI TMDS (plus Hsync and Vsync count as four) :

1.Preamble (control information) is mainly used to control the Data to be transmitted next, namely Data Island or Video Data

2.Data Island, all kinds of packet information, including audio packet, image packet, etc

3.Video Data, Video pixel Data. HDMI can transmit pixel Data in RGB and YUV formats

4. And Hsync and Vsync

HDMI Source device (HDMI HPD) will Monitor the Hotplug port of the sink device. If the Hotplug is High, it will prove that the device can work, and then read DCC; if it is low, it will prove that the device is disconnected.

The HDMI Sink device should notify the source device that EDID has been changed by pulling the Hotplug down, and the source device will read the new EDID again after the Hotplug is pulled up, which should be more than 100ms.

HDMI provides that the EDID can be read by DCC when the 5V pin of HDMI is powered on, that is, the Hotplug needs to be high, and some Hotplug is directly connected to the 5V

TMDS Clock is the Pixel Clock, the Clock frequency used for a Pixel point. Through TMDS Clock CLK pins transmitted to the receiver, but the receiver is not clear for what TMDS Clock frequency of the sender sent, so you need to through the Phy (Phy is analog to digital conversion section, is different from the ADC, Phy is don't know the sampling frequency, the need to lock frequency and phase lock, detect the exact input frequency) to lock.

HDMI Input

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