Ngokusebenzisa izikrufu ezichasene ne-vibration ezichasene nokukhulula ukufakela, ezidityaniswe nokulayishwa rhoqo kwangaphambili kwesikrufu sokutshixa setorque esetwe kwangaphambili kunye ne-elastic damping ye-anti-loosening bolt, uqhagamshelo luhlala luthembekile naphantsi kweemeko ezimandundu zokungcangcazela, ukuphumeza umsebenzi wolondolozo-simahla wobomi bonke.

Shanghai Yijun Precision Technology Co., Ltd.

usetyenziso lwemveliso:Precision Electroics、Izixhobo zonyango、Umboniso weLED、Iitheyibhile、Robot、Izahlulo zoomatshini、Unxibelelwano oluphathwayo、Iwotshi yeglasi、Ukunxiba okuBukrelekrele、Isixhobo、Inqwelo-moya engaqhutywayo、Iindawo zemoto

Ukuqonda ukubaluleka kwezikrufu ezichasayo, kufuneka siqale sazi utshaba: ukungcangcazela. Umatshini ngamnye ojikelezayo—ukusuka kwiiinjini zomoya ukuya kwiiinjini zemoto ukuya koomatshini bokuhambisa inqwelo-moya—uvelisa izothuso ezithe gqolo nezincinane ezihamba kwisakhiwo sawo. Ngokuhamba kwexesha, ezi ntshukumo zinokubangela ukuba izikrufu eziqhelekileyo zisebenze ngendlela yazo. Ingxaki idibene nokwandiswa kwe-thermal kunye nokunciphisa: njengoko iindawo zifudumala kwaye zipholile, imilinganiselo yazo iyatshintsha, idala izithuba ezivumela izikrufu ukuba zitshintshe.  

Iziphumo zezikrufu ezivulekileyo zifikelela kude. Kwiiinjini zomoya, isikrufu esinye esishukumayo kwisixokelelwano se-pitch sinokukhokelela kwiiyure zokuphumla, kuxabisa amawaka eedola ekulahlekeni kwemveliso yamandla. Kwi-aerospace, izikrufu ezikhululekileyo kwi-injini zinokubangela ukuba iindawo zahlukane phakathi kwinqwelo-moya, nto leyo ekhokelela kukusilela kwe-injini kunye nentlekele enokwenzeka. Kwizixhobo zonyango ezifana noomatshini be-MRI, izikrufu ezikhululekileyo kwindibano yemagnethi zinokuphazamisa imagnethi, nto leyo ekhokelela kwizikeno ezingachanekanga okanye umonakalo wesixhobo.  

Uphononongo lwe-2021 yi-International Council on Machinery Maintenance lufumene ukuba i-30% ye-industrial downtime engacwangciswanga ibangelwa ukungaphumeleli kwe-fastener-ininzi yayo inokuthi ithintelwe ngeteknoloji yokulwa nokukhulula. Umzekelo, isiganeko sika-2019 kwifama yomoya eTexas sabona iiiturbines ezintathu zivaliwe emva kwezikhonkwane ezikhululekileyo kwiinkqubo zabo ze-yaw (ezijika i-nacelle ijongane nomoya) zibangele ukuba iinkqubo zixinzelele. Iindleko zokulungisa zaziyi-120,000 yeedola, kunye ne-50,000 yeedola kwingeniso elahlekileyo ukusuka kwiintsuku ezintathu zokuphumla. Emva kwesehlo, ifama ithathe indawo yazo zonke izikrufu zenkqubo ye-yaw kunye ne-anti-loosening torque nuts-kwaye akukhange kubekho miba ifanayo ukusukela oko.  

Izikrufu zokungakhululeki ziyilelwe ukuxhathisa ukukhulula okubangelwa kukungcangcazela ngokongeza indlela yokutshixa kujongano oluqhelekileyo lwe-Screw-thread. Kukho iintlobo ezininzi, nganye ilungiselelwe usetyenziso oluthile:  

1. Izikrufu zeTorque Ezona zixhaphakileyo: Ezi zezona ntlobo zixhaphakileyo, ezinento yokufakela inayiloni (efana nezo zihlolwe nguMaria) okanye intambo ekhubazekileyo eyenza ukukhuhlana xa uqinisiwe. Isifakelo senayiloni siBamba umsonto wokukhwelana, sithintela isikrufu ukuba singajiki ngasemva. Ziyasetyenziswa kwakhona (ukuya kuthi ga kwinqanaba-ukufakwa kwenylon kuyaguga emva kokusetyenziswa kwe-5-10) kwaye kulula ukuyifaka.  

2. IiLokhi zeMisonto yeMichiza: Iimveliso ezifana neLoctite zisebenzisa i-anaerobic adhesives ezenza lukhuni xa kungekho moya (phakathi kwe-screw kunye nemicu ye-nut). Bakha ibhondi esisigxina exhathisa ukungcangcazela kunye nokubola. Izitshixo zamandla aphakathi zinokususwa ngezixhobo, ngelixa amandla aphezulu afuna ukushisa ukuze aphule ibhondi.  

3. Ukutshixa ngoomatshini: Oku kubandakanya izikhonkwane ezicandiweyo (ezidlula kumngxuma kwi-screw kunye ne-nut), i-lock washers (iqhekeza okanye i-toothed), kunye nokutshixa ucingo (usebenzisa i-stainless steel screws ukukhusela izikrufu ezininzi kunye). Ezi zisoloko zisetyenziswa kwizicelo zokhuseleko oluphezulu njenge-aerospace, apho ukungabikho komsebenzi kungundoqo.  

4. Ukutshixwa koLwakhiwo: Ezi zikrufu zineentambo okanye iintloko ezigrumba kwindawo yokukhwelana xa ziqinisiwe, zenza isitshixo esisisigxina. Zilungele iindawo ezishukumayo eziphezulu kodwa aziphinde zisetyenziswe xa sele zifakile.  

Uhlobo ngalunye luneenzuzo kunye neengozi zalo. Kwiiinjini zomoya, izikrufu zetorque ezikhoyo zikhethwa kwisixokelelwano sokutsibela phezulu kuba zilungelelanisa ukuthembeka kunye nokulula kokugcinwa. Izitshixo zemichiza zisetyenziswa kwibhokisi yegiya, apho ukufikelela kulinganiselwe kwaye ukuzinza kwexesha elide kubalulekile. Ukutshixa oomatshini (izikhonkwane eziqhekezayo) zisetyenziswe kwingcambu ye-blade, apho ukhuseleko lungenakuxoxisana.  

Anti-loosening screws are not just for industrial machinery—they are everywhere. When you buckle your seatbelt in a car, the screws holding the seatbelt anchor to the frame are anti-loosening. When you use a kitchen blender, the screws in the motor housing are designed to resist vibration. Even your smartphone uses tiny anti-loosening screws to hold its components together, preventing them from shifting during drops or daily use.  

In aerospace, anti-loosening screws are a matter of life and death. The Boeing 787 Dreamliner uses over 2 million Fasteners, most of which are anti-loosening. For example, the wing-to-fuselage joints use high-strength structural locking bolts that are torqued to precise specifications and checked regularly. These bolts must withstand the extreme forces of takeoff and landing, as well as the thermal stress of flying at 35,000 feet.  

In medical equipment, anti-loosening screws are critical for patient safety. MRI machines use superconducting magnets that generate intense magnetic fields. The screws holding the magnet coils in place must be absolutely secure—any movement could distort the field, leading to inaccurate scans or even injury to patients. Similarly, surgical tools like drill bits use anti-loosening screws to ensure they do not detach during procedures.  

While anti-loosening screws reduce the risk of failure, they are not foolproof. Regular maintenance is essential to ensure their effectiveness:  

Calibrated Torque Wrenches: Technicians must use calibrated torque wrenches to tighten screws to the manufacturer’s specifications. Over-tightening can damage the locking mechanism, while under-tightening leaves room for vibration to loosen the screw.  

Regular Inspections: Screws should be checked at scheduled intervals (e.g., every 6 months for wind turbines). For prevailing torque screws, inspectors should look for signs of nylon wear or thread damage.  

Replacement: Nylon-insert screws should be replaced after 5-10 uses, as the insert loses its grip over time. Chemical lockers must be reapplied every time a screw is removed.  

Proper Storage: Screws should be stored in dry, temperature-controlled environments to prevent corrosion, which can compromise their locking mechanism.  

As technology advances, anti-loosening screws are becoming smarter and more efficient. One promising innovation is smart screws with embedded sensors that detect when they are loosening. These sensors send real-time data to a central monitoring system, allowing technicians to address issues before they become critical. For example, a wind farm could use these sensors to monitor every screw in its turbines, reducing the need for manual inspections and minimizing downtime.  

Another innovation is 3D-printed anti-loosening screws. These screws can be custom-designed for specific components, with locking mechanisms tailored to the exact vibration and thermal conditions of the application. This allows for better fit and higher reliability than off-the-shelf screws.  

Sustainable materials are also a focus. Manufacturers are developing anti-loosening screws made from recycled steel and aluminum, as well as biodegradable thread lockers that reduce environmental impact. These innovations align with the growing demand for eco-friendly industrial practices.  

Anti-loosening screws are the unsung heroes of our industrial world, keeping everything from wind turbines to aircraft to medical equipment running safely and efficiently.