1. Preparation

把所需膠接的超聲波換能器(配好對的)、缸體、網墊、膠水等預備好。

Prepare the required ultrasonic transducers (with the correct ones), cylinder blocks, mesh pads, glue, etc. for bonding.

2、噴沙

2. Sandblasting

把所需膠接的超聲波換能器、缸體停止噴沙處置，噴沙膠接面應盡量毛，噴沙使用30目的金剛沙，沙子必需堅持枯燥并常常挑選(每次放入沙箱時都要挑選)，噴沙時緊縮空氣的壓力應≥6KG，并經過氣源處置器除濕后的高壓空氣。

Stop sandblasting the ultrasonic transducer and cylinder body that need to be bonded. The sandblasting bonding surface should be as rough as possible. Use 30 mesh diamond sand for sandblasting. The sand must be dry and selected frequently (every time it is placed in the sandbox). The compressed air pressure during sandblasting should be ≥ 6KG, and high-pressure air should be dehumidified by the air source disposal device.

3、清洗

3. Cleaning

把噴好沙的缸體和超聲波換能器停止清洗，換能器先用甲醇停止清洗，把外表的沙子等灰塵除掉，再用丙酮停止漂洗；缸體先用水沖、再用酸洗后沖洗潔凈，涼干后再用甲醇和丙酮各停止一次漂洗，網墊用≤30目厚度≤0.15的不銹鋼網異樣清洗潔凈(有條件時電解處置)備用。

Stop cleaning the cylinder body and ultrasonic transducer that have been sprayed with sand. First, stop cleaning the transducer with methanol, remove dust such as sand from the surface, and then stop rinsing with acetone; The cylinder body is first rinsed with water, then pickled and rinsed clean. After cooling to dryness, methanol and acetone are used to stop rinsing each time. The mesh pad is cleaned using a stainless steel mesh with a thickness of ≤ 30 mesh and ≤ 0.15 (electrolytic disposal if possible) for later use.

4、烘干、預熱

4. Drying and preheating

把清洗好的超聲波換能器和缸體及網墊放入烘箱停止烘干，烘干為60℃-80℃烘干2小時后冷卻到40℃左右時停止膠接。在一切膠接預備任務做好后，配好膠水(常溫)充沛諧和后疾速停止膠接。

Place the cleaned ultrasonic transducer, cylinder body, and mesh pad into an oven and stop drying. Dry at 60 ℃ -80 ℃ for 2 hours, and then stop bonding when it cools to around 40 ℃. After all the preparation tasks for bonding are completed, prepare the adhesive (at room temperature) and quickly stop bonding after it is fully harmonious.

5、膠接

5. Adhesive bonding

把處置好的缸體放在膠接平板上放好，并用丙酮在膠接處用棉布再擦試一遍。

Place the disposed cylinder block on the bonding plate and wipe it again with acetone and cotton cloth at the bonding point.

把處置好的超聲波換能器膠接面用丙酮再用棉布再擦試一遍。

Rub the adhesive surface of the disposed ultrasonic transducer again with acetone and cotton cloth.

配好膠水充沛諧和后預熱1-2分鐘。(每次配置的膠水不能太多，以一次膠接20-30頭為準)膠水配置為5G/頭、比例為1：0.4(膠粘劑比固化劑、應盡量準確)。

Prepare sufficient and harmonious glue and preheat for 1-2 minutes. (The amount of glue used for each configuration should not be too much, based on a single bonding of 20-30 heads.) The glue configuration should be 5G/head, with a ratio of 1:0.4 (the adhesive should be as accurate as possible compared to the curing agent).

把缸體和超聲波換能器冷卻到40℃左右時停止膠接，膠接時辨別在缸體和超聲波換能器上平均涂上膠水，兩頭放上網布，然后用力壓緊，膠接速度要快，每次配置膠水后膠接日子不要超越10分鐘上(要求預備任務做的充沛)。

When the cylinder block and ultrasonic transducer are cooled to around 40 ℃, stop bonding. When bonding, evenly apply glue to the cylinder block and ultrasonic transducer, place a cloth on both ends, and then press firmly. The bonding speed should be fast, and the bonding time should not exceed 10 minutes after each configuration of glue (it is required to do sufficient preparation tasks).

膠完后停止加壓處置(需唱工裝、用彈簧軟壓)。

After the glue is finished, stop pressurizing and dispose of it (requires tooling and soft pressing with springs).

6、固化

6. Curing

把膠好的缸體放入無塵烘箱停止固化，固化溫度一次加溫為40-50℃固化30分鐘后，二次加溫到60-70℃固化30分鐘后再三次加溫到80℃固化2小時后自然固化24小時后檢測連線。固化加溫用程控智能溫控儀控制。

Place the glued cylinder block into a dust-free oven and stop curing. The curing temperature should be raised to 40-50 ℃ for 30 minutes, followed by a second heating to 60-70 ℃ for 30 minutes, followed by a third heating to 80 ℃ for 2 hours, followed by natural curing for 24 hours, and then test the wiring. Curing heating is controlled by a programmable intelligent temperature controller.

7、檢測

7. Detection

對固化好的超聲波換能器停止檢測，每個換能器(60W、22、25、28KHZ)的膠接阻抗約在250Ω左右，不能超越300Ω，并對換能器特性停止檢測(不能有雜波)，同個缸體上的超聲波換能器阻抗值應盡量接近分歧，不能超越均勻值的20%(約±50Ω)，對不契合要求的超聲波換能器撤除重新膠接。

Stop testing the cured ultrasonic transducers. The bonding impedance of each transducer (60W, 22, 25, 28KHZ) is about 250 Ω and cannot exceed 300 Ω. Stop testing the characteristics of the transducer (without noise). The impedance values of the ultrasonic transducers on the same cylinder should be as close to the difference as possible and cannot exceed 20% of the uniform value (about ± 50 Ω). Remove and re bond the ultrasonic transducers that do not meet the requirements.

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