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
,0.002mm Select Fit
,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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