{"id":3351,"date":"2026-03-26T08:35:49","date_gmt":"2026-03-26T08:35:49","guid":{"rendered":"https:\/\/cyclogearreducer.top\/?post_type=product&p=3351"},"modified":"2026-03-27T01:06:41","modified_gmt":"2026-03-27T01:06:41","slug":"xld-series-cyclo-gear-reducer-vertical-flange-mounted-cycloidal-gearbox","status":"publish","type":"product","link":"https:\/\/cyclogearreducer.top\/bg\/product\/xld-series-cyclo-gear-reducer-vertical-flange-mounted-cycloidal-gearbox\/","title":{"rendered":"\u0420\u0435\u0434\u0443\u043a\u0442\u043e\u0440 XLD \u0441\u0435\u0440\u0438\u044f Cyclo Gear \u2013 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u043d\u0430 \u0446\u0438\u043a\u043b\u043e\u0438\u0434\u043d\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u0430 \u043a\u0443\u0442\u0438\u044f \u0441 \u0444\u043b\u0430\u043d\u0446\u043e\u0432\u043e \u043c\u043e\u043d\u0442\u0438\u0440\u0430\u043d\u0435"},"content":{"rendered":"

\u041f\u0440\u0435\u0433\u043b\u0435\u0434 \u043d\u0430 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/h2>\n

The XLD cyclo gear reducer<\/strong> is a flange-mounted variant designed for vertical or angular mounting configurations where a traditional foot-mounted base is either impractical or unnecessary. While the BWD\/BW series sits on a flat surface and bolts down through feet, the XLD attaches through a circular flange pattern and hangs from or bolts onto a machine frame, vessel wall, or structural platform. This gives mechanical designers more freedom in positioning the drive assembly relative to the driven equipment.<\/p>\n

The XLD product line covers frame sizes 1 through 11. On the smaller end, Frame 1 has a 160 mm flange diameter with a 28 mm output shaft, weighing just 8 kg and suitable for light conveyor drives or small agitator systems. At the upper end, Frame 11 reaches an 880 mm flange diameter with a 130 mm output shaft, weighing 210 kg and capable of driving heavy industrial mixers, kiln rotation systems, and aggregate processing equipment. This range makes the XLD flange-mounted cycloidal gearbox<\/strong> a popular choice across a wide spectrum of Korean industrial applications from semiconductor cooling tower drives in Gyeonggi-do to cement plant rotary systems in Gangwon-do.<\/p>\n

\u00a0\"\u0420\u0435\u0434\u0443\u043a\u0442\u043e\u0440<\/p>\n

The XLD cycloidal speed reducer<\/strong> is dimensionally equivalent to corresponding Sumitomo CHHJ and SM-Cyclo flange-mounted models, allowing direct bolt-in replacement. This information is provided purely for customer cross-referencing purposes and does not indicate any affiliation with or endorsement by the referenced manufacturer. Korea Ever-Power manufactures these units independently under our own quality control system. The XLD is one of over 20 models in the \u0446\u0438\u043a\u043b\u043e \u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440<\/strong><\/a> series.<\/p>\n

All XLD units feature GCr15 chromium bearing steel cycloidal discs hardened to HRC 58-62, precision-ground alloy steel pin rings, and HT200 cast iron housings machined to tight concentricity tolerances. Output shaft tolerance is held to h6 standard. Both single-shaft and double-shaft (through-drive) output configurations are available across most frame sizes.<\/p>\n

<\/p>\n

Technical Specifications and Dimensions<\/h2>\n

The following tables present the installation and shaft-end dimensions for the XLD cyclo gear reducer<\/strong> series. The flange bolt circle diameter (D1) and number of bolt holes determine how the reducer attaches to your equipment frame. The output shaft diameter (d1) and keyway width (b1) determine coupling compatibility. All output shaft tolerances are h6 unless otherwise noted.<\/p>\n

\"XLD<\/p>\n

Table 1: XLD Installation and Shaft-End Dimensions (mm)<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0420\u0430\u043c\u043a\u0430<\/th>\n\u0420\u0430\u0437\u043c\u0435\u0440 \u043d\u0430 \u043c\u043e\u043d\u0442\u0430\u0436\u0430<\/th>\n\u0420\u0430\u0437\u043c\u0435\u0440 \u043d\u0430 \u043a\u0440\u0430\u044f \u043d\u0430 \u0432\u0430\u043b\u0430<\/th>\n<\/tr>\n
\u04141<\/sub><\/th>\n\u04142<\/sub><\/th>\n\u0415<\/th>\n\u0447<\/th>\n\u0420<\/th>\n\u0441<\/th>\n\u0414\u0443\u043f\u043a\u0430<\/th>\n\u0418\u0437\u0445\u043e\u0434\u0435\u043d \u0432\u0430\u043b<\/th>\n\u0412\u0445\u043e\u0434\u0435\u043d \u0432\u0430\u043b<\/th>\n<\/tr>\n
\u043d<\/th>\n\u04330<\/sub><\/th>\n\u04331<\/sub><\/th>\n\u04311<\/sub><\/th>\n\u04321<\/sub><\/th>\n\u043b1<\/sub><\/th>\n\u04332<\/sub><\/th>\n\u04312<\/sub><\/th>\n\u04322<\/sub><\/th>\n\u043b2<\/sub><\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n134<\/td>\n110<\/td>\n48<\/td>\n9<\/td>\n3<\/td>\n\u041c8<\/td>\n4<\/td>\n12<\/td>\n28<\/td>\n8<\/td>\n31<\/td>\n35<\/td>\n15<\/td>\n5<\/td>\n17<\/td>\n25<\/td>\n<\/tr>\n
2<\/td>\n160<\/td>\n130<\/td>\n42<\/td>\n12<\/td>\n3<\/td>\n\u041c8<\/td>\n6<\/td>\n12<\/td>\n25<\/td>\n8<\/td>\n28<\/td>\n34<\/td>\n15<\/td>\n5<\/td>\n17<\/td>\n25<\/td>\n<\/tr>\n
3<\/td>\n200<\/td>\n170<\/td>\n50<\/td>\n15<\/td>\n4<\/td>\n\u041c8<\/td>\n6<\/td>\n12<\/td>\n35<\/td>\n10<\/td>\n38<\/td>\n45<\/td>\n18<\/td>\n6<\/td>\n20.5<\/td>\n35<\/td>\n<\/tr>\n
4<\/td>\n230<\/td>\n200<\/td>\n79<\/td>\n15<\/td>\n4<\/td>\n\u041c10<\/td>\n6<\/td>\n12<\/td>\n45<\/td>\n14<\/td>\n48.5<\/td>\n63<\/td>\n22<\/td>\n6<\/td>\n24.5<\/td>\n40<\/td>\n<\/tr>\n
5<\/td>\n310<\/td>\n270<\/td>\n93<\/td>\n20<\/td>\n4<\/td>\n\u041c12<\/td>\n6<\/td>\n12<\/td>\n55<\/td>\n16<\/td>\n59<\/td>\n79<\/td>\n30<\/td>\n8<\/td>\n33<\/td>\n45<\/td>\n<\/tr>\n
6<\/td>\n360<\/td>\n316<\/td>\n92<\/td>\n22<\/td>\n5<\/td>\n\u041c12<\/td>\n8<\/td>\n16<\/td>\n65<\/td>\n18<\/td>\n69<\/td>\n80<\/td>\n35<\/td>\n10<\/td>\n38<\/td>\n54<\/td>\n<\/tr>\n
7<\/td>\n390<\/td>\n345<\/td>\n114<\/td>\n22<\/td>\n5<\/td>\n\u041c12<\/td>\n8<\/td>\n36<\/td>\n80<\/td>\n22<\/td>\n85<\/td>\n98<\/td>\n40<\/td>\n12<\/td>\n43<\/td>\n65<\/td>\n<\/tr>\n
8<\/td>\n450<\/td>\n400<\/td>\n112<\/td>\n30<\/td>\n6<\/td>\n\u041c16<\/td>\n13<\/td>\n22<\/td>\n90<\/td>\n25<\/td>\n95<\/td>\n110<\/td>\n45<\/td>\n14<\/td>\n48.5<\/td>\n70<\/td>\n<\/tr>\n
9<\/td>\n520<\/td>\n455<\/td>\n170<\/td>\n35<\/td>\n8<\/td>\n\u041c20<\/td>\n13<\/td>\n22<\/td>\n100<\/td>\n28<\/td>\n106<\/td>\n129<\/td>\n50<\/td>\n14<\/td>\n53.5<\/td>\n80<\/td>\n<\/tr>\n
10<\/td>\n590<\/td>\n520<\/td>\n174<\/td>\n40<\/td>\n10<\/td>\n\u041c20<\/td>\n13<\/td>\n22<\/td>\n110<\/td>\n28<\/td>\n116<\/td>\n140<\/td>\n55<\/td>\n16<\/td>\n59<\/td>\n100<\/td>\n<\/tr>\n
11<\/td>\n800<\/td>\n680<\/td>\n210<\/td>\n45<\/td>\n10<\/td>\n2-\u041c20<\/td>\n13<\/td>\n28<\/td>\n130<\/td>\n32<\/td>\n137<\/td>\n184<\/td>\n70<\/td>\n20<\/td>\n74.5<\/td>\n120<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Note: Matching tolerance of shaft d1<\/sub>\/\u04342<\/sub> is h6.<\/p>\n

Table 2: XLD Outer Contour and Weight (mm \/ kg)<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0420\u0430\u043c\u043a\u0430<\/th>\nD (Outer Diameter)<\/th>\nL (\u0414\u0432\u043e\u0439\u043d\u0430 \u0448\u0430\u0445\u0442\u0430)<\/th>\n\u041b1<\/sub> (Flange Style)<\/th>\n\u0422\u0435\u0433\u043b\u043e (\u043a\u0433)<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n160<\/td>\n202<\/td>\n141<\/td>\n8<\/td>\n<\/tr>\n
2<\/td>\n180<\/td>\n218<\/td>\n155<\/td>\n13<\/td>\n<\/tr>\n
3<\/td>\n230<\/td>\n269<\/td>\n191<\/td>\n26<\/td>\n<\/tr>\n
4<\/td>\n260<\/td>\n333<\/td>\n255<\/td>\n38<\/td>\n<\/tr>\n
5<\/td>\n340<\/td>\n399<\/td>\n302<\/td>\n93<\/td>\n<\/tr>\n
6<\/td>\n400<\/td>\n470<\/td>\n358<\/td>\n138<\/td>\n<\/tr>\n
7<\/td>\n430<\/td>\n522<\/td>\n397<\/td>\n160<\/td>\n<\/tr>\n
8<\/td>\n490<\/td>\n581<\/td>\n440<\/td>\n240<\/td>\n<\/tr>\n
9<\/td>\n580<\/td>\n698<\/td>\n529<\/td>\n370<\/td>\n<\/tr>\n
10<\/td>\n650<\/td>\n806<\/td>\n608<\/td>\n622<\/td>\n<\/tr>\n
11<\/td>\n880<\/td>\n1022<\/td>\n811<\/td>\n210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Single Stage vs Double Stage Cyclo Reducer: How to Choose the Right Configuration<\/h2>\n

The XLD flange-mounted cyclo gear reducer<\/strong> is offered in both single-stage (XL) and double-stage (XLD) versions. Deciding between them comes down to one primary question: what output speed and reduction ratio does your application require? Both share the same housing footprint and flange bolt pattern for each frame size, so the external mounting interface remains unchanged regardless of whether you select single or double stage.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u044a\u0440<\/th>\nSingle Stage (XL)<\/th>\nDouble Stage (XLD)<\/th>\n<\/tr>\n<\/thead>\n
\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u043d\u0430 \u0441\u044a\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u0442\u043e<\/td>\n9:1 \u200b\u200b\u0434\u043e 87:1<\/td>\n99:1 \u0434\u043e 7 569:1<\/td>\n<\/tr>\n
Output Speed (at 1500 rpm input)<\/td>\n17 to 167 rpm<\/td>\n0.2 to 15 rpm<\/td>\n<\/tr>\n
Overall Efficiency<\/td>\n85 – 92%<\/td>\n72 – 85%<\/td>\n<\/tr>\n
Housing Length (typical Frame 5)<\/td>\nShorter (single disc set)<\/td>\nLonger (two disc sets in series)<\/td>\n<\/tr>\n
Weight (same frame)<\/td>\nLighter<\/td>\n15-25% heavier<\/td>\n<\/tr>\n
Typical Application<\/td>\nConveyors, fans, pumps, standard drives<\/td>\nSlow-speed kilns, digesters, heavy agitators<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

A single-stage XL cycloidal gearbox<\/strong> is the better choice when your target output speed falls between roughly 17 and 167 rpm (assuming a standard 4-pole 1500 rpm motor). Single-stage units cost less, weigh less, and run at higher efficiency because the power passes through only one cycloidal disc-and-pin set. Most belt conveyor drives, ventilation fan drives, and general-purpose machine drives operate in this speed range and are well-served by single-stage reduction.<\/p>\n

A double-stage XLD cycloidal speed reducer<\/strong> becomes necessary when the target output speed drops below approximately 15 rpm or when the required ratio exceeds 87:1. In a double-stage arrangement, the output of the first cycloidal set feeds into the input of the second cycloidal set within the same housing, compounding the ratios. This means a first stage at 29:1 followed by a second stage at 29:1 yields an overall ratio of 841:1, producing an output speed of about 1.8 rpm from a 1500 rpm motor. Double-stage units are commonly found on rotary kiln drives, sludge digester stirrers, and ultra-slow-speed turntable applications.<\/p>\n

\n

Quick selection rule: If your required ratio is below 87:1, choose single stage (XL). If it is above 99:1, choose double stage (XLD). Ratios between 87:1 and 99:1 fall in a gap where either configuration may work. Contact our engineering team for guidance in this overlap zone. For even higher ratios beyond 7,569:1, the XLD can be connected in tandem with a \u043f\u043b\u0430\u043d\u0435\u0442\u0430\u0440\u043d\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u0430 \u043a\u0443\u0442\u0438\u044f<\/strong><\/a> pre-stage.<\/p>\n<\/div>\n

\"Cyclo<\/p>\n

<\/p>\n

Energy Efficiency and Operating Cost Impact<\/h2>\n

The efficiency of a speed reducer directly affects electricity bills and motor sizing. A reducer running at 90% efficiency converts 90% of motor input power into useful output torque, while the remaining 10% becomes waste heat. A less efficient reducer, such as a worm type at 60% efficiency, wastes 40% of motor power as heat. For facilities running multiple drives around the clock, this difference adds up quickly.<\/p>\n

Consider a real calculation: a single 11 kW motor running a \u0446\u0438\u043a\u043b\u043e\u0438\u0434\u0435\u043d \u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440 \u043d\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0442\u0430<\/strong> at 88% efficiency for two shifts per day (16 hours), 300 days per year. The annual energy wasted as heat is: 11 kW x 0.12 x 16 h x 300 d = 6,336 kWh. If that same drive used a worm reducer at 62% efficiency instead, the waste energy climbs to: 11 kW x 0.38 x 16 h x 300 d = 20,064 kWh. At a Korean industrial electricity rate of approximately 120 KRW per kWh, the annual saving per drive is roughly 1,647,360 KRW (about 1,250 USD). Across ten drives in a typical production facility, the combined annual saving exceeds 12,000 USD purely from reduced electricity waste.<\/p>\n

Beyond electricity savings, higher efficiency also means smaller motors can be specified for the same output torque requirement. This reduces motor purchase cost, starter\/VFD sizing, and cable cross-section requirements. The XLD flange-mounted cyclo gearbox<\/strong> maintains its efficiency advantage across the entire ratio range, unlike \u0447\u0435\u0440\u0432\u044f\u0447\u043d\u0438 \u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440\u0438<\/strong><\/a> where efficiency degrades sharply at higher ratios.<\/p>\n

<\/p>\n

Installation and Commissioning Steps<\/h2>\n

Proper installation is critical for reaching the rated service life of any \u0446\u0438\u043a\u043b\u043e\u0438\u0434\u0435\u043d \u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440 \u0441 \u0432\u044a\u0440\u0442\u044f\u0449\u043e \u0441\u0435 \u043a\u043e\u043b\u0435\u043b\u043e<\/strong>. Follow this sequence when installing the XLD cyclo gear reducer<\/strong> for the first time or when reinstalling after maintenance.<\/p>\n

    \n
  1. Inspect the mounting flange surface on both the reducer and the receiving frame. Remove any burrs, paint buildup, or debris. The flange faces must be flat and parallel to within 0.1 mm across the full bolt circle.<\/li>\n
  2. Lift the reducer into position using appropriately rated rigging attached to the lifting eyebolts (provided on Frames 5 and above). For smaller frames, manual handling is acceptable with two workers.<\/li>\n
  3. Insert mounting bolts through the flange holes and tighten in a star pattern to the torque values specified in the installation manual for each bolt size (M8 through M20 depending on frame).<\/li>\n
  4. Connect the motor to the input shaft using a flexible coupling. Align radial offset to within 0.05 mm and angular misalignment to within 0.5 degrees. Use dial indicators or laser alignment tools for accuracy. If a \u0437\u0430\u0434\u0432\u0438\u0436\u0432\u0430\u0449 \u0432\u0430\u043b<\/strong><\/a> is used between the reducer output and driven equipment, verify the universal joint working angles are within specification.<\/li>\n
  5. Fill with lubricating oil through the breather cap opening. Use 40# or 50# mechanical oil for standard conditions, or 70#\/90# EP gear oil for extended service intervals. Fill to the center of the sight glass.<\/li>\n
  6. Run the unit unloaded for 30 minutes. Check for abnormal noise, vibration, oil leaks at shaft seals, and housing temperature. The housing surface should not exceed 70 degrees C during this break-in run.<\/li>\n
  7. Connect the load and run under partial load (50-75%) for the first 4 hours. Monitor temperature and vibration. After confirming stable operation, increase to full rated load.<\/li>\n
  8. Drain and replace oil after 100 hours of initial operation. This first oil change removes metal particles generated during the break-in period.<\/li>\n<\/ol>\n

    \"Cycloidal<\/p>\n

    <\/p>\n

    \u0421\u0432\u044a\u0440\u0437\u0430\u043d\u0438 \u0438 \u0441\u044a\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u0438 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0438<\/h2>\n

    The XLD cycloidal gear reducer<\/strong> integrates into complete drive systems alongside these companion products, all available from Korea Ever-Power:<\/p>\n

    \"\u0446\u0438\u043a\u043b\u043e-\u0440\u0435\u0434\u0443\u043a\u0442\u043e\u0440-\u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u0430\u043d\u0438-\u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0438-1\"<\/div>\n