Dongguan Changxinda Precision Technology Co., Ltd.
8618076650306

42CrMo Valve Spool Sleeve Matched Pair Lapped 0.005mm Select Fit for CNC Lathe Machining

42CrMo Valve Spool Sleeve Matched Pair Lapped 0.005mm Select Fit for CNC Lathe Machining
Tempat Asal:Dongguan, Guangdong, Cina
Nama merek:Changxinda
Sertifikasi:ISO 9001:2015
Nomor Model:CXDC-VSS-PAIR
Jumlah pesanan minimum:1 Pasang (prototipe) / 50 Pasang (serial)
Harga:USD 45 - 320 / Pair
Standard Packaging:Perawatan anti karat, tas berpasangan dengan label seri yang cocok, karton ekspor; catatan tes di da
Waktu Pengiriman:8-10 hari kerja untuk prototipe, 18-25 hari untuk pesanan serial
Ketentuan Pembayaran:T/T
Kemampuan Penyediaan:6000 Pasang per Bulan
Rincian produk
Menyoroti:

Matched Spool Sleeve Pair

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0.002mm Select Fit

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Lapped Valve Bore

Material: 42CrMo, opsional 40Cr, 20CrMnTi karburasi, tahan karat 440C
Heat Treatment: Quench dan temper HRC 30-34, nitridasi opsional HV 600-700
Clearance: 0,002 - 0,006 mm, dikelompokkan dalam pita 0,002 mm
Sleeve Bore: Kebulatan 0,003 mm, silinder 0,005 mm, Ra 0,2 tersusun
Spool OD: Kebulatan 0,003 mm, kelurusan 0,003 mm, Ra 0,2
Land Position: +/- 0,01 mm, patah tepi R0,05
Working Pressure: 315 bar, versi 420 bar opsional
Size Range: Diameter 10 - 80 mm, panjang 30 - 300 mm
Traceability: Nomor seri yang cocok terukir di kedua bagian
Inspection: Pengukur udara, CMM, penguji kebulatan, penguji kekasaran, bangku uji hidrolik
Quality Document: Laporan dimensi dan izin, catatan kekerasan, sertifikat material
Customization: Posisi tanah, bentuk tepi, jumlah alur, jarak bebas per aplikasi
Confidentiality: NDA ditandatangani, aturan serial berkode, sel terisolasi
Lead Time: Prototipe 8-10 hari, serial 18-25 hari
MOQ: 1 pasang prototipe
Deskripsi Produk
Detailed Specifications & Features
Valve Spool & Sleeve Matched Pair — Lapped Fit Grouped in 0.002 mm Bands Matched Pair · 0.002 mm Select Fit · Lapped Bore High-response directional valves are unforgiving: a clearance just 0.002 mm too large causes internal leakage, while 0.002 mm too small causes sticking. This window cannot be held by single-part tolerances alone — so we manufacture the spool and sleeve as a matched pair: after lapping, each pair is measured and sorted into 0.002 mm clearance groups, with
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