The GGM K9H Series gearhead is a reduction gearbox designed for GGM Korea AC/DC Brushless Motors, including models K9H5B, K9H10B, K9H15B, K9H20B, K9H30B, K9H50B, K9H100B, and K9H200B. It features an Ø18 mm shaft, a 90 mm flange, and gear ratios from 5 to 200, suitable for automation machinery, conveyors, packaging machines, and OEM drive assemblies.
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The GGM K9H Series is a line of GGM Korea reduction gearboxes designed for AC/DC Brushless Motors. It is suitable for drive assemblies requiring higher torque than the K8H series while maintaining a compact design for easy installation in automation equipment. Popular models include K9H5B, K9H10B, K9H15B, K9H20B, K9H30B, K9H50B, K9H100B, and K9H200B.
With a 90 x 90 mm flange design, an Ø18 mm output shaft, and various gear ratios from 5 to 200, the GGM K9H gearhead is ideal for conveyors, packaging machines, labeling machines, filling machines, rotary mechanisms, automatic turntables, feeders, and OEM drive assemblies.
Category | Specification |
|---|---|
Brand | GGM Korea |
Product Series | Gearhead / Gearbox for AC/DC Brushless Motor |
Model | K9H5B, K9H10B, K9H15B, K9H20B, K9H30B, K9H50B, K9H100B, K9H200B |
Gear Ratio | 5, 10, 15, 20, 30, 50, 100, 200 |
Output Shaft | Ø18 mm |
Mounting Flange | 90 x 90 mm |
Bolt Hole | 4 holes Ø8.5 |
Pilot Ring | Ø104 ±0.5 mm |
Gearhead Weight | Approx. 1.3 kg |
Motor + Gearhead Weight | Approx. 2.6 kg |
Accessories | Key, keyway, mounting bolt set |
Model | Gear Ratio | Length L | Mounting Bolt |
|---|---|---|---|
K9H5B, K9H10B, K9H15B, K9H20B | 5, 10, 15, 20 | 45 mm | M8 P1.25 x 75 |
K9H30B, K9H50B, K9H100B | 30, 50, 100 | 58 mm | M8 P1.25 x 90 |
K9H200B | 200 | 64 mm | M8 P1.25 x 95 |
When replacing a GGM K9H gearbox on existing machinery, it is essential to verify the correct gear ratio, shaft diameter, gearbox length, mounting flange, bolt hole positions, and the motor model in use. Selecting the wrong gear ratio may result in incorrect output speed, insufficient torque, or failure to fit the existing machine assembly.
The GGM K9H gearhead can be mounted with the following compatible GGM motors:
Compatible Motor | Note |
|---|---|
K9BH90NU + K9H Series | AC Brushless Motor, 1-phase 100–115V |
K9BH90NC + K9H Series | AC Brushless Motor, 1-phase 200–230V |
K9BH150NC + K9H Series | Higher power AC Brushless Motor |
K9FH150NC + K9H Series | High-speed AC Brushless Motor |
K9XH100N2 + K9H Series | DC Brushless Motor |
In GGM motor codes, the character U indicates 1-phase 100–115V voltage, while C indicates 1-phase 200–230V. In addition to the standard version, motors may include options for a brake, encoder, or brake + encoder for applications requiring quick stopping, load holding, or speed feedback.
For the K9BH90N + GGM K9H Gearhead assembly, the permissible torque is as follows:
Gearhead Model | Gear Ratio | Output Speed Range | Permissible Torque |
|---|---|---|---|
K9H5B | 5 | 20–600 rpm | 1.35 N·m |
K9H10B | 10 | 10–300 rpm | 2.7 N·m |
K9H15B | 15 | 6.7–200 rpm | 4.1 N·m |
K9H20B | 20 | 5–150 rpm | 5.4 N·m |
K9H30B | 30 | 3.3–100 rpm | 7.7 N·m |
K9H50B | 50 | 2–60 rpm | 12.9 N·m |
K9H100B | 100 | 1–30 rpm | 25.8 N·m |
K9H200B | 200 | 0.5–15 rpm | 30 N·m |
For the K9BH150NC + GGM K9H Gearhead assembly, the permissible torque is higher:
Gearhead Model | Gear Ratio | Output Speed Range | Permissible Torque |
|---|---|---|---|
K9H5B | 5 | 20–600 rpm | 2.2 N·m |
K9H10B | 10 | 10–300 rpm | 4.4 N·m |
K9H15B | 15 | 6.7–200 rpm | 6.6 N·m |
K9H20B | 20 | 5–150 rpm | 8.8 N·m |
K9H30B | 30 | 3.3–100 rpm | 12.6 N·m |
K9H50B | 50 | 2–60 rpm | 21.1 N·m |
K9H100B | 100 | 1–30 rpm | 30 N·m |
K9H200B | 200 | 0.5–15 rpm | 30 N·m |
With the K9FH150NC motor, when operating in the 100–3000 rpm range, the permissible torque is equivalent to the K9BH150NC assembly. If running at 4000 rpm, the permissible torque will decrease; therefore, it is necessary to carefully check the actual load before selecting a model.
For the K9XH100N2 + GGM K9H Gearhead assembly, the permissible torque in the 100–2500 rpm range is as follows:
Gearhead Model | Gear Ratio | Output Speed Range | Permissible Torque |
|---|---|---|---|
K9H5B | 5 | 20–600 rpm | 1.8 N·m |
K9H10B | 10 | 10–300 rpm | 3.6 N·m |
K9H15B | 15 | 6.7–200 rpm | 5.4 N·m |
K9H20B | 20 | 5–150 rpm | 7.2 N·m |
K9H30B | 30 | 3.3–100 rpm | 10.3 N·m |
K9H50B | 50 | 2–60 rpm | 17.2 N·m |
K9H100B | 100 | 1–30 rpm | 30 N·m |
K9H200B | 200 | 0.5–15 rpm | 30 N·m |
When the K9XH100N2 motor operates at 3000 rpm, the permissible torque decreases for certain gear ratios. Therefore, when selecting a GGM DC Brushless Motor + K9H Gearhead assembly for continuous operation, it is necessary to carefully check the actual operating speed, load torque, duty cycle, and safety factor.
Model | Gear Ratio | Overhung load at 10 mm | Overhung load at 20 mm | Thrust load |
|---|---|---|---|---|
K9H5B | 5 | 300 N | 400 N | 150 N |
K9H10B, K9H15B, K9H20B | 10, 15, 20 | 400 N | 500 N | 150 N |
K9H30B, K9H50B, K9H100B, K9H200B | 30, 50, 100, 200 | 500 N | 650 N | 150 N |
Shaft load parameters are critical when the GGM K9H Gearbox drives loads via pulleys, sprockets, gears, rotary discs, or mechanisms with lateral forces acting on the shaft. If the overhung or thrust load exceeds the permissible limit, the bearings and internal gears of the gearbox may wear out prematurely, generate noise, or have a reduced service life.
MDriveTech provides genuine GGM K9H gearheads for factories, machine builders, electromechanical contractors, and businesses needing to replace GGM gearboxes in automation systems. We provide technical consultation based on motor models, gear ratios, output speeds, load torque, and actual operating conditions.
Customers needing to purchase GGM K9H gearheads, GGM K9H gearboxes, GGM Korea gearboxes, genuine GGM reduction gearboxes, or needing to replace models K9H5B, K9H10B, K9H15B, K9H20B, K9H30B, K9H50B, K9H100B, K9H200B can contact MDriveTech for prompt support.
📞 Hotline: 0868 789 647
📧 Email: [email protected]
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