News %253CFaktor%20mempengaruhi%20%20indikasi%20nilai%20dari%20ultrasonik%20ketebalan%20ukuran%2E%3E%0D%0A%3C%2D%2D%2D%3E%0D%0A%3CUntuk%20%20permukaan%20karat%2C %20the%20coupling%20effect%20is%20extremely%20poor%20in%20service%20equipment%2C%20pipelines%2C%20etc%2E%20can%20be%20treated%20on%20the%20surface%20through%20sand%2C%20grinding%2C %20frustrasi%20dan%20lainnya%20metode%20hingga%20mengurangi%20kekasaran%2E%20Pada%20the%20sama%20waktu%2C%20the%20oksida%20dan%20cat%20lapisan%20dapat%20menjadi%20dihilangkan%2E%20Itu%20dapat%20mencapai %20a%20bagus%20kopling%20efek%20dengan%20the%20coupling%20agen%2E%3E%0D%0A%3C1%29%20The%20permukaan%20dari%20the%20benda kerja%20adalah%20kasar%20dan%20terlalu%20besar%2C %20menghasilkan%20dalam%20a%20buruk%20efek%20dari%20penyelidikan%20dan%20kontak%20permukaan%20kopling%2C%20yang%20refleks%20dari%20yang%20punggung%20gelombang%20adalah%20rendah%2C%20dan%20genap%20 %20gema%20sinyal%20tidak bisa%20be%20diterima%2E%20Untuk%20%20permukaan%20karat%2C%20the%20coupling%20efek%20is%20sangat%20miskin%20dalam%20layanan%20peralatan%2C%20pipa%2C%20dll%2E %20bisa%20menjadi%20diolah%20di%20di%20permukaan%20melalui%20pasir%2C%20penggilingan%2C%20frustasi%20dan%20lainnya%20metode%20hingga%20mengurangi%20kekasaran%2E%20Pada%20%20sama%20waktu%2C%20 %20oksida%20dan%20cat%20lapisan%20bisa%20be%20dihilangkan%2E%20Itu%20bisa%20mencapai%20a%20bagus%20kopling%20efek%20dengan%20the%20kopling%20agen%2E%3E%0D%0A%3C%282 %29%20%20kelengkungan%20radius%20dari%20the%20benda kerja%20adalah%20terlalu%20kecil%2C%20terutama%20ketika%20the%20diameter%20tabung%20adalah%20diuji%2E%20Karena%20the%20permukaan%20dari%20the%20probe %20adalah%20bidang%2C%20the%20permukaan%20kontak%20dengan%20the%20melengkung%20permukaan%20adalah%20kontak%20atau%20line%20kontak%2C%20dan%20the%20suara%20kekuatan%20transmisi%20rate%20is%20rendah%20 %28tidak%20baik%20dipasangkan%29%2E%20Anda%20bisa%20memilih%20a%20kecil%20pipa%20diameter%20berdedikasi%20probe%20%28%26lt%3B6mm%29%20hingga%20ukuran%20melengkung%20bahan%20seperti%20as %20pipa%20lebih%20akurat%2E%3E%0D%0A%3C%283%29%20%20deteksi%20permukaan%20dan%20%20bawah%20permukaan%20%20tidak%20paralel%2C%20dan%20%20suara%20gelombang %20%20tersebar%20dalam%20%20bawah%20permukaan%2E%20%20probe%20tidak dapat%20menerima%20%20bawah%20gelombang%20sinyal%2E%3E%0D%0A%3C%284%29%20Casting%20dan%20Austeenia %20adalah%20besar%20atau%20besar%20jatuh tempo%20sampai%20tidak rata%20jaringan%20atau%20besar%20butir%2E%20Ultrasonik%20terjadi%20dalam%20itu%20ketika%20melewati%20melalui%20itu%2E%20Esensi%20Opsional%20tebal%20kristal %20khusus%20probe%20%282%2E5MHz%29%20dengan%20lebih rendah%20frekuensi%2E%3E%0D%0A%3C%285%29%20The%20probe%20kontak%20permukaan%20memiliki%20some%20wear%2E%20The %20permukaan%20dari%20%20umumnya%20digunakan%20tebal%20probe%20is%20akrilik%20resin%2E%20Panjang%20%2Dterm%20penggunaan%20akan%20meningkat%20%20permukaan%20kekasaran%2C%20menghasilkan%20dalam%20a%20menurun %20dalam%20sensitivitas%2C%20menghasilkan%20dalam%20salah%20tampilan%2E%20Anda%20dapat%20pilih%20500%23amplas%20hingga%20membuat%20itu%20halus%20dan%20jaminan%20paralel%2E%20Jika%20Anda%20adalah%20masih %20tidak stabil%2C%20pertimbangkan%20mengubah%20the%20probe%2E%3E%0D%0A%3C%286%29%20Ada%20adalah%20a%20besar%20jumlah%20dari%20korosi%20pit%20pada%20the%20kembali%20dari %20the%20measured%20object%2E%20The%20other%20side%20of%20the%20survey%20is%20rust%20spots%20and%20corrosive%20pit%2C%20resulting%20in%20sound%20waves%20attenuation%2C%20leading%20to %20perubahan%20dalam%20%20tidak beraturan%20membaca%2C%20dan%20genap%20tidak%20membaca%20dalam%20ekstrim%20kasus%2E%3E%0D%0A%3C%287%29%20Ada%20adalah%20sedimen%20dalam%20 %20terukur%20objek%20%28seperti%20as%20pipa%29%2E%20Kapan%20%20variasi%20dan%20benda kerja%20suara%20impedansi%20perbedaan%20%20tidak%20besar%2C%20%20tampilan%20nilai%20dari%20 %20ketebalan%20instrumen%20adalah%20the%20ketebalan%20dari%20the%20dinding%20ketebalan%20dan%20the%20ketebalan%20dari%20the%20sedimen%2E%3E%0D%0A%3C%288%29%20Ketika%20ada%20adalah %20cacat%20%28seperti%20as%20campuran%2C%20mezzanine%2C%20dll%2E%29%20dalam%20the%20bahan%2C%20the%20display%20nilai%20is%20tentang%2070%dari%20the%20nominal%20ketebalan %2E%20Atau%20cmx%2C%20dll%2E%29%20lebih lanjut%20pengujian%2E%3E%0D%0A%3C%289%29%20The%20effect%20of%20temperature%2E%20Umumnya%2C%20the%20suara %20kecepatan%20dalam%20%20padat%20bahan%20menurun%20dengan%20peningkatan%20dalam%20%20suhu%2E%20Uji%20data%20menunjukkan%20itu%20setiap%20100%20%5Cu00b0%20C%20meningkat%20oleh%20 %20termal%20bahan%2C%20dan%20%20suara%20kecepatan%20menurun%20sekali%201%25%2E%20%20ini%20sering%20ditemui%20di%20tinggi%20suhu%20di%20layanan%20peralatan%2E%20Tinggi%20 %2Dsuhu%20khusus%20probe%20dan%20tinggi%20%2Dsuhu%20kopling%20agen%20%28300%2D600%20%5Cu00b0%20C%29%20harus%20be%20dipilih%2E%20Lakukan%20tidak%20menggunakan%20biasa%20probe %2E%3E%0D%0A%3C%2810%29%20Tumpang tindih%20bahan%2C%20komposit%20%28non%20%2Dhomogen%29%20bahan%2E%20Itu%20is%20mustahil%20hingga%20ukuran%20the%20belum terpecahkan %20lapisan%20bahan%2E%20Itu%20adalah%20tidak%20mungkin%20hingga%20menyebar%20seragam%20dalam%20the%20komposit%20%28non%20%2Dhomogen%29%20bahan%20karena%20the%20ultrasonik%20tidakdapat%20menembus%20itu %20tidak siap%20ruang%2E%20Untuk%20the%20peralatan%20%28suka%20urea%20tinggi%20%2Dtekanan%20peralatan%29%20buatan%20dari%20multi%20%2Dlapisan%20bahan%2C%20khusus%20perhatian%20harus%20menjadi %20dibayar%20hingga%20%20ketebalan%20dari%20%20bahan%20yang%20adalah%20dalam%20kontak%20dengan%20penyelidikan%20%20ketika%20mengukur%20ke%20ketebalan%2E%3E%0D%0A%3C%2811%29 %20The%20influence%20of%20the%20coupling%20agent%2E%20The%20coupling%20agent%20is%20used%20to%20eliminate%20the%20air%20between%20the%20probe%20and%20the%20measured%20object%2C%20so %20itu%20%20ultrasonik%20gelombang%20bisa%20efektif%20menembus%20%20benda kerja%20hingga%20mencapai%20%20uji%20tujuan%2E%20Jika%20%20tipe%20dari%20pilihan%20atau%20%20metode%20adalah%20tidak tepat %2C%20%20kesalahan%20atau%20kopling%20logo%20akan%20flash%20dan%20tidakbisa%20dapat%20diukur%2E%20Karena%20%20sesuai%20tipe%20adalah%20dipilih%20menurut%20ke%20%20penggunaan%2C%20ketika %20digunakan%20pada%20di%20permukaan%20dari%20a%20halus%20bahan%2C%20a%20rendah%20viskositas%20kopling%20agen%20dapat%20menjadi%20digunakan%3B%20saat%20itu%20adalah%20digunakan%20pada%20di%20kasar %20permukaan%2C%20vertikal%20permukaan%2C%20dan%20atas%20permukaan%2C%20the%20koplet%20dengan%20tinggi%20viskositas%20harus%20be%20digunakan%2E%20Tinggi%20%2Dsuhu%20benda kerja%20harus%20be%20bekas %20untuk%20tinggi%20%2Dsuhu%20kopling%20agen%2E%20Kedua%2C%20%20kopling%20agen%20harus%20digunakan%20tepat%20dan%20%20aplikasi%20adalah%20merata%20diterapkan%2E%20Umumnya%2C %20the%20coupling%20agent%20harus%20be%20diterapkan%20to%20the%20surface%20of%20the%20measured%20material%2C%20but%20when%20the%20measurement%20temperature%20is%20high%2C%20the%20coupling%20agent %20harus%20menjadi%20diterapkan%20hingga%20penyelidikan%20%2E%3E%0D%0A%3C%2812%29%20Kesalahan%20pemilihan%20kesalahan%2E%20Sebelum%20pengukuran%20benda kerja%2C%20preset%20%20suara%20kecepatan %20menurut%20hingga%20yang%20tipe%20dari%20bahan%20atau%20%20kecepatan%20dari%20suara%20menurut%20hingga%20yang%20standar%20blok%2E%20Ketika%20a%20bahan%20koreksi%20instrumen%20adalah%20digunakan%20ke %20ukuran%20%28umumnya%20digunakan%20pengujian%20blok%20as%20baja%29%20hingga%20pengukuran%20lainnya%20bahan%2C%20%20kesalahan%20hasil%20akan%20terjadi%2E%20Ini%20is%20wajib%20hingga%20identifikasi %20the%20bahan%20benar%20sebelum%20the%20pengukuran%2C%20dan%20pilih%20the%20kanan%20suara%20kecepatan%2E%3E%0D%0A%3C%2813%29%20The%20effect%20of%20stress%2E %20Sebagian besar%20dari%20the%20stress%20in%20service%20equipment%20and%20pipelines%2C%20and%20the%20stress%20conditions%20of%20solid%20materials%20have%20a%20certain%20impact%20on%20the%20speed%20of %20suara%20kecepatan%2E%20Kapan%20the%20stress%20arah%20is%20konsisten%20dengan%20the%20direction%20of%20komunikasi%2C%20if%20the%20stress%20is%20stress%2C%20the%20stress%20will%20meningkat %20the%20elasticity%20of%20the%20workpiece%20and%20accelerate%20the%20speed%20of%20sound%3B%20If%20the%20stress%20is%20stress%2C%20the%20sound%20speed%20slows%20down%2E%20When %20the%20direction%20of%20stress%20and%20waves%20is%20berbeda%2C%20the%20vibration%20trajectory%20of%20the%20mass%20point%20in%20the%20fluctuation%20process%20is%20disturbed%20by%20stress%2C %20dan%20%20arah%20dari%20gelombang%20transmisi%20adalah%20menyimpang%2E%20Menurut%20ke%20data%2C%20the%20umum%20tekanan%20meningkat%20dan%20%20kecepatan%20dari%20suara%20adalah%20pelan-pelan%20meningkat %2E%3E%0D%0A%3C%2814%29%20%20dampak%20dari%20%20oksida%20atau%20cat%20penutup%20lapisan%20dari%20%20logam%20permukaan%2E%20The%20padat%20oksida%20atau %20cat%20%2Dproof%20lapisan%20diproduksi%20pada%20%20logam%20permukaan%20is%20dekat%20terikat%20dengan%20%20matrix%20bahan%20dan%20an%20tidak diketahui%20antarmuka%2C%20tetapi%20%20kecepatan%20dari %20the%20suara%20kecepatan%20dalam%20the%20dua%20zat%20adalah%20berbeda%2C%20menghasilkan%20dalam%20kesalahan%2E%20Juga%20berbeda%2E%3E%0D%0A
