{"id":4172,"date":"2025-06-30T01:58:26","date_gmt":"2025-06-30T08:58:26","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&p=4172"},"modified":"2025-06-30T01:58:26","modified_gmt":"2025-06-30T08:58:26","slug":"din988-carbon-steel-metal-shim-washer-ultrathin-gasket-thin-flat-washer","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/din988-carbon-steel-metal-shim-washer-ultrathin-gasket-thin-flat-washer\/","title":{"rendered":"DIN988 Carbon Steel Metal Shim Washer -Ultrathin Gasket Thin Flat Washer"},"content":{"rendered":"
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  1. Precision Thickness Control & High-Strength Performance
    \n\u2022 Produced to DIN 988 geometric tolerances in carbon and alloy spring steels (65 Mn, 51CrV4), the shims are cold-rolled and oil-tempered to 42 \u2013 48 HRC, delivering a consistent modulus and elastic resilience in gauges from 0.05 mm to 2 mm.
    \n\u2022 Laser-monitored slitting and flat-lapped finishing hold thickness to \u00b13 \u00b5m and flatness to \u2264 0.02 mm \/ 100 mm, enabling micron-level end-play, preload and alignment adjustments.
    \n\u2022 Optional electro-zinc plating (\u2265 8 \u00b5m) sealed with trivalent passivation provides > 120 h neutral-salt-spray protection; tinted top-coats in clear, yellow, black, olive or any RAL\/Pantone code support rapid visual size sorting or functional colour coding.
    \n\u2022 Semi-elastic metallurgy allows momentary flex without permanent set, preventing crack propagation when clamped between non-parallel faces or exposed to dynamic loads.<\/li>\n
  2. Broad, Cross-Industry Application Spectrum
    \n\u2022 Power Transmission & Gearboxes: Sets precise bearing preload in helical, planetary and bevel gear stages, eliminating lash, whine and heat build-up under fluctuating torque.
    \n\u2022 Automotive, Rail & Heavy Vehicles: Aligns differential carriers, wheel hubs and brake caliper brackets, compensating for machining tolerances and thermal expansion during life-cycle testing.
    \n\u2022 Robotics, Machine Tools & Metrology: Calibrates spindle cartridges, linear-guide packs and ball-screw supports to maintain micron-scale positional accuracy through rapid accelerations.
    \n\u2022 Renewable Energy, Mining & Construction: Shims generator end shields, crusher housings and hydraulic pump mounts, avoiding costly re-machining when correcting stack-up errors in the field.<\/li>\n
  3. Installer-Friendly, Time-Saving Handling
    \n\u2022 Supplied loose, nested in step-gauge kits, or die-cut on peel-off sheets for clean-room or automated pick-and-place feeders; each piece is laser-etched with size and nominal thickness for instant identification.
    \n\u2022 Flat, burr-free geometry slips between mating surfaces without adhesive or curing time\u2014adjustments are achieved by adding or removing shims, eliminating full teardown or re-grinding.
    \n\u2022 Ultrathin profile retains existing bolt lengths and housing depths, streamlining retrofits and service interventions; carbon-steel resilience allows slight hand-forming to follow curved seats where required.
    \n\u2022 Colour-coded coatings and tabbed edges minimise sorting errors and speed assembly line change-overs, boosting takt-time in high-volume production.<\/li>\n
  4. Verified Quality & Long-Term Durability
    \n\u2022 100 % optical inspection confirms inner\/outer diameter \u00b10.02 mm, concentricity \u2264 0.03 mm and burr height < 8 \u00b5m; Cp\/Cpk \u2265 1.67 data are archived for ISO 9001, IATF 16949 and AS 9100 traceability.
    \n\u2022 Fatigue tests prove \u2265 95 % preload retention after 2 \u00d7 10\u2076 load cycles at 50 Hz, ensuring stability in vibrating or thermally cycling joints.
    \n\u2022 Duplex-coated variants (zinc + epoxy powder) withstand 1 000 h xenon-arc weathering and 200 \u00b0C bake cycles without flaking or colour shift, supporting outdoor, offshore or mildly chemical environments.
    \n\u2022 Lot-level QR codes on packaging link each shim to melt chemistry, heat-treat data, coating batch and flatness\/roughness charts, delivering full transparency for safety-critical assemblies across industries.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

    Precision Thickness Control & High-Strength Performance \u2022 Produced to DIN 988 geometric tolerances in carbon and alloy spring steels (65 Mn, 51CrV4), the shims are cold-rolled and oil-tempered to 42 \u2013 48 HRC, delivering a consistent modulus and elastic resilience in gauges from 0.05 mm to 2 mm. \u2022 Laser-monitored slitting and flat-lapped finishing hold […]<\/p>","protected":false},"featured_media":4173,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":["post-4172","product","type-product","status-publish","has-post-thumbnail","product_cat-washer","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/4172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/comments?post=4172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4173"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4172"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4172"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4172"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}