{"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\/ur\/application\/drive-shafts-for-vertical-edger-stands\/","title":{"rendered":"\u0639\u0645\u0648\u062f\u06cc \u0627\u06cc\u062c\u0631 \u0627\u0633\u0679\u06cc\u0646\u0688\u0632 \u06a9\u06d2 \u0644\u06cc\u06d2 \u0688\u0631\u0627\u0626\u06cc\u0648 \u0634\u0627\u0641\u0679"},"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 \u0648\u06cc\u0644\u0633\u0646 \u0646\u0648\u0631\u0688<\/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 Ever-Power has engineered the 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\u067e\u06cc\u0631\u0627\u0645\u06cc\u0679\u0631 \u06af\u0631\u0648\u067e<\/th>\n \u062a\u0641\u0635\u06cc\u0644\u0627\u062a \u06a9\u0627 \u0622\u0626\u0679\u0645<\/th>\n \u0631\u06cc\u0646\u062c \/ \u0645\u0639\u06cc\u0627\u0631\u06cc<\/th>\n Vertical Mill Note<\/th>\n<\/tr>\n<\/thead>\n \n \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc<\/td>\n \u0628\u0631\u0627\u0626\u06d2 \u0646\u0627\u0645 \u0679\u0627\u0631\u06a9 (Tn)<\/td>\n 150 kNm \u2013 6,500 kNm<\/td>\n \u062a\u0648\u0633\u06cc\u0639 \u067e\u0630\u06cc\u0631<\/td>\n<\/tr>\n \n \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc<\/td>\n \u062a\u06be\u06a9\u0627\u0648\u0679 \u0679\u0627\u0631\u06a9 (Tdw)<\/td>\n 100 kNm \u2013 4,800 kNm<\/td>\n Reversing Load<\/td>\n<\/tr>\n \n \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc<\/td>\n \u0632\u06cc\u0627\u062f\u06c1 \u0633\u06d2 \u0632\u06cc\u0627\u062f\u06c1 \u0632\u0627\u0648\u06cc\u06c1 (\u03b2)<\/td>\n 15\u00b0 Continuous<\/td>\n Width Adjustment<\/td>\n<\/tr>\n \n \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc<\/td>\n RPM \u0631\u06cc\u0646\u062c<\/td>\n 0 – 600 RPM<\/td>\n Variable Speed<\/td>\n<\/tr>\n \n \u06a9\u0627\u0631\u06a9\u0631\u062f\u06af\u06cc<\/td>\n Axial Force (Max)<\/td>\n Integrated Spline Stop<\/td>\n Resists Gravity<\/td>\n<\/tr>\n \n \u062c\u06cc\u0648\u0645\u06cc\u0679\u0631\u06cc<\/td>\n \u0641\u0644\u0627\u0646\u062c \u0642\u0637\u0631<\/td>\n 285mm \u2013 1100mm<\/td>\n DIN \/ KV Standard<\/td>\n<\/tr>\n \n \u062c\u06cc\u0648\u0645\u06cc\u0679\u0631\u06cc<\/td>\n \u06a9\u0645\u067e\u0631\u06cc\u0633\u0688 \u0644\u0645\u0628\u0627\u0626\u06cc<\/td>\n Min 1100mm<\/td>\n \u0645\u0631\u0636\u06cc \u06a9\u06d2 \u0645\u0637\u0627\u0628\u0642<\/td>\n<\/tr>\n \n \u062c\u06cc\u0648\u0645\u06cc\u0679\u0631\u06cc<\/td>\n \u0627\u0633\u0679\u0631\u0648\u06a9 (\u0644\u0627)<\/td>\n \u00b1 100mm to \u00b1 450mm<\/td>\n Long Travel Spline<\/td>\n<\/tr>\n \n \u062c\u06cc\u0648\u0645\u06cc\u0679\u0631\u06cc<\/td>\n \u0679\u06cc\u0648\u0628 \u06a9\u06cc \u0645\u0648\u0679\u0627\u0626\u06cc<\/td>\n 20mm \u2013 60mm<\/td>\n Seamless Forged<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u062c\u0648\u0626\u06d2 \u06a9\u0627 \u0645\u0648\u0627\u062f<\/td>\n 18CrNiMo7-6<\/td>\n \u0648\u06cc\u06a9\u06cc\u0648\u0645 \u0688\u06cc\u06af\u0627\u0633\u0688<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u06a9\u0631\u0627\u0633 \u0627\u0633\u067e\u0627\u0626\u06cc\u0688\u0631<\/td>\n 20CrMnTiH \/ SAE 9310<\/td>\n \u06a9\u0627\u0631\u0628\u0631\u0627\u0626\u0632\u0688 60 HRC<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0633\u067e\u0644\u0627\u0626\u0646 \u06a9\u0648\u0679\u0646\u06af<\/td>\n MoS2 \/ \u0646\u0627\u06cc\u0644\u0627\u0646 11<\/td>\n Vertical Glide<\/td>\n<\/tr>\n \n \u0645\u0648\u0627\u062f<\/td>\n \u0645\u06c1\u0631 \u06a9\u06cc \u0642\u0633\u0645<\/td>\n Viton ETP + Shield<\/td>\n Water\/Scale Proof<\/td>\n<\/tr>\n \n \u0645\u0639\u06cc\u0627\u0631\u0627\u062a<\/td>\n \u0641\u0644\u06cc\u0646\u062c \u0627\u0646\u0679\u0631\u0641\u06cc\u0633<\/td>\n \u0686\u06c1\u0631\u06d2 \u06a9\u06cc \u0686\u0627\u0628\u06cc \/ \u06c1\u06cc\u0631\u062a\u06be<\/td>\n High Torque<\/td>\n<\/tr>\n \n \u0645\u0639\u06cc\u0627\u0631\u0627\u062a<\/td>\n \u062a\u0648\u0627\u0632\u0646<\/td>\n ISO 1940 G6.3<\/td>\n Precision<\/td>\n<\/tr>\n \n \u0645\u0639\u06cc\u0627\u0631\u0627\u062a<\/td>\n \u0686\u06a9\u0646\u0627\u0626\u06cc<\/td>\n \u0633\u06cc \u0627\u06d2 \u0633\u0644\u0641\u0648\u0646\u06cc\u0679 \u06a9\u0645\u067e\u0644\u06cc\u06a9\u0633<\/td>\n Adhesive Type<\/td>\n<\/tr>\n \n \u0645\u0639\u06cc\u0627\u0631\u0627\u062a<\/td>\n \u0633\u0631\u0679\u06cc\u0641\u06cc\u06a9\u06cc\u0634\u0646<\/td>\n 3.1 \u0645\u0648\u0627\u062f \u06a9\u0627 \u0633\u0631\u0679\u06cc\u0641\u06a9\u06cc\u0679<\/td>\n \u0679\u0631\u06cc\u0633 \u0627\u06cc\u0628\u0644\u0679\u06cc<\/td>\n<\/tr>\n \n \u0645\u0639\u06cc\u0627\u0631\u0627\u062a<\/td>\n \u0627\u0635\u0644<\/td>\n \u0627\u06cc\u0648\u0631 \u067e\u0627\u0648\u0631 \/ \u0627\u06cc\u0686 \u0632\u06cc\u0688 \u067e\u06cc \u0679\u06cc<\/td>\n \u0628\u0631\u0627\u06c1 \u0631\u0627\u0633\u062a \u0641\u06cc\u06a9\u0679\u0631\u06cc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n \u0646\u0638\u0627\u0645\u06cc \u06c1\u0645 \u0622\u06c1\u0646\u06af\u06cc: \u06af\u06cc\u0626\u0631 \u0628\u0627\u06a9\u0633 \u0627\u0646\u0679\u06cc\u06af\u0631\u06cc\u0634\u0646<\/h3>\n