{"id":2193,"date":"2026-01-21T02:04:47","date_gmt":"2026-01-21T02:04:47","guid":{"rendered":"https:\/\/tractorptoshaft.net\/?p=2193"},"modified":"2026-01-21T02:04:47","modified_gmt":"2026-01-21T02:04:47","slug":"drive-shafts-for-vertical-edger-stands","status":"publish","type":"post","link":"https:\/\/tractorptoshaft.net\/ar\/application\/drive-shafts-for-vertical-edger-stands\/","title":{"rendered":"\u0623\u0639\u0645\u062f\u0629 \u0646\u0642\u0644 \u0627\u0644\u062d\u0631\u0643\u0629 \u0644\u062d\u0648\u0627\u0645\u0644 \u0622\u0644\u0627\u062a \u062a\u0634\u0630\u064a\u0628 \u0627\u0644\u062d\u0648\u0627\u0641 \u0627\u0644\u0639\u0645\u0648\u062f\u064a\u0629"},"content":{"rendered":"
The ultimate vertical torque solution for Hot Strip Mills in the Benelux region. Engineered to combat “Gravity-Induced Lubricant Migration” and severe scale ingress in the edger stands of IJmuiden and Europoort.<\/p>\n
Vertical Sealing<\/p>\n
IP67 + Gravity Shield<\/p>\n<\/div>\n
<\/p>\n<\/div>\n<\/div>\n
In the hot strip mills of the Netherlands, particularly those processing advanced high-strength steels (AHSS) for the European automotive sector, the Vertical Edger plays a crucial role in controlling slab width. However, the drive shafts powering these stands face a unique enemy: gravity. Unlike horizontal roughing mill spindles, vertical edger shafts operate in a vertical or near-vertical orientation. This creates two distinct failure modes often observed in plants near \u0641\u064a\u0644\u0633\u0646-\u0646\u0648\u0631\u062f<\/strong>: “Lubricant Starvation” in the upper joint and “Hydraulic Ingress” in the lower joint.<\/p>\n Gravity naturally forces grease to migrate downwards, leaving the upper cross bearing trunnions dry and prone to rapid fretting corrosion. Conversely, the lower joint is constantly bombarded by high-pressure descaling water and falling scale, which pools around the seal. Standard universal joint shafts, designed for horizontal use, often fail catastrophically within 3-4 months in these Dutch vertical applications, leading to costly unscheduled stand changes.<\/p>\n<\/div>\n \u0642\u0627\u0645\u062a \u0634\u0631\u0643\u0629 \u0625\u064a\u0641\u0631-\u0628\u0627\u0648\u0631 \u0628\u062a\u0635\u0645\u064a\u0645 VE-Gravity\u2122 Series<\/strong> specifically for vertical installation. We utilize a proprietary “Internal Grease Circulation” system. The centrifugal force generated during rotation is harnessed through internal channeling to pump grease continuously back up to the critical trunnion zones, defying gravity.<\/p>\n For the lower joint, we implement a “Cascading Labyrinth” seal made from Viton-ETP, reinforced with a stainless steel watershed cover. This design sheds water and scale like a roof, preventing contaminants from pooling on the seal lip. Combined with our 18CrNiMo7-6 forged yoke construction, this ensures compliance with NEN-EN 13001<\/strong> safety standards for overhead lifting and rotational equipment, providing Dutch mill managers with the reliability required for 24\/7 continuous casting and rolling operations.<\/p>\n<\/div>\n<\/div>\n<\/div>\n Patented internal vein structure that uses rotational inertia to recirculate grease to the upper bearings, preventing dry-start failures.<\/p>\n<\/div>\n Molybdenum Disulfide coating ensures smooth axial compensation for roll width adjustments, even under heavy vertical torque load.<\/p>\n<\/div>\n Vacuum degassed steel forgings withstand the 300% torque spike that occurs when the slab hits the edger rolls.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n Validated for Top-Driven and Bottom-Driven Vertical Edger Stands. Torque values based on SF=2.25.<\/p>\n<\/div>\n In a vertical edger, the drive shaft hanging from the gearbox creates a constant axial load on the output bearings. If the shaft’s spline does not glide smoothly, it transmits massive thrust forces into the gearbox. We recommend pairing our **VE-Gravity Shafts** with **Ever-Power Vertical Mill Gearboxes**, which feature reinforced thrust bearings.<\/p>\n Our factory offers “Rapid Response” customization for the Dutch market. Whether you need to replace a **Maina** spindle in Rotterdam or a **Voith** shaft in IJmuiden, we can reverse-engineer and manufacture a drop-in replacement with enhanced vertical sealing within 5-6 weeks.<\/p>\nThe Ever-Power Solution: Series VE-Gravity\u2122<\/h3>\n
Technology Tailored for Vertical Edging<\/h3>\n
<\/p>\nAnti-Gravity Lube System<\/h4>\n
<\/p>\nGlide-Coat\u2122 Splines<\/h4>\n
<\/p>\nShock-Impact Metallurgy<\/h4>\n
Specification Matrix: Series VE-Heavy<\/h3>\n
\n\n
\n \n\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a<\/th>\n \u0628\u0646\u062f \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/th>\n \u0627\u0644\u0646\u0637\u0627\u0642 \/ \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a<\/th>\n Vertical Mill Note<\/th>\n<\/tr>\n<\/thead>\n \n \u0623\u062f\u0627\u0621<\/td>\n \u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0627\u0633\u0645\u064a (Tn)<\/td>\n 150 kNm \u2013 6,500 kNm<\/td>\n \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0637\u0648\u064a\u0631<\/td>\n<\/tr>\n \n \u0623\u062f\u0627\u0621<\/td>\n \u0639\u0632\u0645 \u0627\u0644\u0625\u062c\u0647\u0627\u062f (Tdw)<\/td>\n 100 kNm \u2013 4,800 kNm<\/td>\n Reversing Load<\/td>\n<\/tr>\n \n \u0623\u062f\u0627\u0621<\/td>\n \u0623\u0642\u0635\u0649 \u0632\u0627\u0648\u064a\u0629 (\u03b2)<\/td>\n 15\u00b0 Continuous<\/td>\n Width Adjustment<\/td>\n<\/tr>\n \n \u0623\u062f\u0627\u0621<\/td>\n \u0646\u0637\u0627\u0642 \u0633\u0631\u0639\u0629 \u0627\u0644\u062f\u0648\u0631\u0627\u0646<\/td>\n 0 – 600 RPM<\/td>\n Variable Speed<\/td>\n<\/tr>\n \n \u0623\u062f\u0627\u0621<\/td>\n Axial Force (Max)<\/td>\n Integrated Spline Stop<\/td>\n Resists Gravity<\/td>\n<\/tr>\n \n \u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/td>\n \u0642\u0637\u0631 \u0627\u0644\u0634\u0641\u0629<\/td>\n 285mm \u2013 1100mm<\/td>\n DIN \/ KV Standard<\/td>\n<\/tr>\n \n \u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/td>\n \u0627\u0644\u0637\u0648\u0644 \u0627\u0644\u0645\u0636\u063a\u0648\u0637<\/td>\n Min 1100mm<\/td>\n \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u062e\u0635\u064a\u0635<\/td>\n<\/tr>\n \n \u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/td>\n \u0627\u0644\u0633\u0643\u062a\u0629 \u0627\u0644\u062f\u0645\u0627\u063a\u064a\u0629 (\u0644\u0627)<\/td>\n \u00b1 100mm to \u00b1 450mm<\/td>\n Long Travel Spline<\/td>\n<\/tr>\n \n \u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/td>\n \u0633\u064f\u0645\u0643 \u0627\u0644\u0623\u0646\u0628\u0648\u0628<\/td>\n 20mm \u2013 60mm<\/td>\n Seamless Forged<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0645\u0627\u062f\u0629 \u0627\u0644\u0646\u064a\u0631<\/td>\n 18CrNiMo7-6<\/td>\n Vacuum Degassed<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0639\u0646\u0643\u0628\u0648\u062a \u0645\u062a\u0642\u0627\u0637\u0639<\/td>\n 20CrMnTiH \/ SAE 9310<\/td>\n \u0645\u064f\u0643\u0631\u0628\u0646 60 HRC<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0637\u0644\u0627\u0621 \u0627\u0644\u0634\u0631\u0627\u0626\u062d<\/td>\n MoS2 \/ Nylon 11<\/td>\n Vertical Glide<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0646\u0648\u0639 \u0627\u0644\u062e\u062a\u0645<\/td>\n Viton ETP + Shield<\/td>\n Water\/Scale Proof<\/td>\n<\/tr>\n \n \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/td>\n \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0634\u0641\u0629<\/td>\n Face Key \/ Hirth<\/td>\n High Torque<\/td>\n<\/tr>\n \n \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/td>\n \u0627\u0644\u0645\u0648\u0627\u0632\u0646\u0629<\/td>\n ISO 1940 G6.3<\/td>\n Precision<\/td>\n<\/tr>\n \n \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/td>\n \u0634\u062d\u0645<\/td>\n \u0645\u0631\u0643\u0628 \u0633\u0644\u0641\u0648\u0646\u0627\u062a \u0627\u0644\u0643\u0627\u0644\u0633\u064a\u0648\u0645<\/td>\n Adhesive Type<\/td>\n<\/tr>\n \n \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/td>\n \u0634\u0647\u0627\u062f\u0629<\/td>\n 3.1 \u0634\u0647\u0627\u062f\u0629 \u0627\u0644\u0645\u0648\u0627\u062f<\/td>\n \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u0627\u0644\u062a\u062a\u0628\u0639<\/td>\n<\/tr>\n \n \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/td>\n \u0623\u0635\u0644<\/td>\n \u0625\u064a\u0641\u0631-\u0628\u0627\u0648\u0631 \/ \u0625\u062a\u0634 \u0632\u062f \u0628\u064a \u062a\u064a<\/td>\n \u0627\u0644\u0645\u0635\u0646\u0639 \u0645\u0628\u0627\u0634\u0631\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n \u0627\u0644\u062a\u0622\u0632\u0631 \u0627\u0644\u0645\u0646\u0647\u062c\u064a: \u062a\u0643\u0627\u0645\u0644 \u0639\u0644\u0628\u0629 \u0627\u0644\u062a\u0631\u0648\u0633<\/h3>\n