What is the difference between L-type and R-type right-angle BLDC gear motors?

L-type and R-type right-angle BLDC gear motors differ primarily in output shaft orientation relative to the motor body. In an L-type configuration, the output shaft exits perpendicular to the motor shaft and points downward (or toward the mounting surface), forming an L-shape when viewed from the side. In an R-type configuration, the output shaft also exits at 90 degrees but points in the opposite direction — away from the mounting surface or upward. The choice between L-type and R-type is determined by the machine layout: L-type is preferred when the driven load is below or beside the motor mounting plane (conveyors, AGV wheel drives), while R-type is used when the load is above or on the opposite side of the mounting bracket (overhead gate operators, vertical lift mechanisms). Both types use the same 90-degree gearbox internally — worm gear for ratios above 10:1 or hypoid/bevel gear for ratios below 10:1 — and are available in the same power range (30W-2000W) and voltage options (24V/48V).

What gear ratios are available for right-angle BLDC gear motors?

Right-angle BLDC gear motors are available with gear ratios from 3:1 to 200:1, depending on the gearbox type. Hypoid and bevel gear right-angle gearboxes cover ratios from 3:1 to 10:1 with 92-96% efficiency, suitable for applications needing moderate speed reduction with minimal power loss. Worm gear right-angle gearboxes cover ratios from 5:1 to 200:1 — ratios above 30:1 provide mechanical self-locking, meaning the load cannot back-drive the motor, which is critical for vertical lift applications where the motor must hold position without a brake. Common catalog ratios for Shenghe L-type and R-type gear motors include 5:1, 10:1, 15:1, 20:1, 30:1, 50:1, 60:1, 80:1, 100:1, and 136:1. Custom ratios can be engineered for OEM applications with annual volumes above 500 units.

Can I use a right-angle BLDC gear motor for AGV wheel drives?

Yes, right-angle BLDC gear motors are one of the most common drive solutions for AGV and AMR wheel drives, particularly for differential-drive configurations. The 90-degree gearbox allows the motor body to be mounted horizontally inside the vehicle chassis while the output shaft drives the wheel vertically — maximizing ground clearance and minimizing vehicle height. L-type configurations with hollow output shafts (15-25mm bore) are preferred because the wheel hub can mount directly onto the hollow shaft, eliminating coupling components and reducing assembly complexity. Typical AGV drive specifications: 200-500W motor power, 48V battery voltage, 10:1 to 30:1 gear ratio, output speed 50-150 RPM for 0.5-1.5 m/s vehicle speed with 200mm wheels, and output torque 8-30 N·m for payloads up to 1,000 kg. The motor should include a magnetic encoder (1024-4096 PPR) for closed-loop speed control and odometry, and IP54 minimum protection for warehouse environments.

What is the efficiency difference between worm gear and hypoid gear right-angle motors?

Worm gear right-angle motors typically achieve 45-75% gearbox efficiency depending on gear ratio — higher ratios have lower efficiency because of increased sliding friction between the worm and worm wheel. A 10:1 worm gear achieves approximately 70-75% efficiency, while a 100:1 worm gear drops to 45-55%. Hypoid gear right-angle motors achieve 92-96% gearbox efficiency across their ratio range (3:1 to 10:1), because hypoid gears use rolling contact rather than sliding contact. For battery-powered applications like AGVs where energy efficiency directly impacts runtime, hypoid or bevel gear right-angle motors are preferred at ratios up to 10:1. For applications requiring high ratios (above 15:1), self-locking capability, or where efficiency loss is acceptable (AC-powered conveyors, gate operators), worm gear right-angle motors are the practical choice. Combining the BLDC motor efficiency (88-93%) with gearbox efficiency gives the complete system efficiency: a BLDC motor with hypoid gear at 94% gives 83-87% system efficiency, while a BLDC motor with worm gear at 60% gives 53-56% system efficiency.

How do I specify a right-angle BLDC gear motor for my OEM application?

To specify a right-angle BLDC gear motor for OEM integration, provide these parameters to the motor manufacturer: (1) Output torque requirement in N·m — both continuous and peak, including duty cycle if intermittent; (2) Output speed in RPM — the speed range at the gearbox output shaft, not the motor shaft; (3) Shaft orientation — L-type or R-type, with a sketch showing the motor mounting position relative to the driven load; (4) Output shaft type — solid shaft (diameter and keyway), hollow shaft (bore diameter), or flange-mount; (5) Supply voltage — 24V DC or 48V DC for battery applications, or specify if AC-powered with external DC supply; (6) Mounting dimensions — available envelope space (length x width x height) and mounting hole pattern; (7) Environmental conditions — IP rating, ambient temperature range, vibration level; (8) Control interface — Hall sensor commutation, encoder type and resolution, CAN bus or analog speed command. Shenghe's engineering team provides free motor sizing calculations and 3D models for OEM projects with expected annual volumes above 200 units.

Right-Angle Gear Motor Engineering

Right-Angle BLDC Gear Motor: L-Type vs R-Type Selection Guide for OEM Engineers

By盛合智联电机 Engineering Team·Updated 2026-09-17·Reviewed by Gear Motor Application Engineer

A right-angle BLDC gear motor redirects output torque 90 degrees from the motor axis, enabling machine layouts that would be impossible with inline gear motors. When the motor must mount horizontally but the load shaft runs vertically — or when a flat machine profile demands the motor body sit parallel to the driven axis — a 90-degree gearbox motor is the only practical solution. Shenghe manufactures two distinct right-angle configurations: L-type gear motors (output shaft below or beside the motor) and R-type gear motors (output shaft above or opposite the motor). Both cover the 30W–2000W power range at 24V and 48V DC, with gear ratios from 5:1 to 136:1 and continuous output torque from 3 to 300 N·m. This guide explains when to choose L-type versus R-type, how to size a right-angle BLDC gear motor for your application, and which gearbox technology — worm gear, hypoid, or bevel — matches your torque, efficiency, and self-locking requirements.

What Is a Right-Angle BLDC Gear Motor?

A right-angle BLDC gear motor combines a brushless DC motor with a gearbox that redirects the output shaft 90 degrees from the motor shaft axis. Unlike inline (coaxial) gear motors where input and output shafts are parallel, the right-angle configuration creates a perpendicular relationship between the motor body and the output drive. This 90-degree offset is not just a geometric convenience — it fundamentally changes how the motor integrates into a machine.

In an inline planetary or spur gear motor, the motor and gearbox form a single long cylinder. Total assembly length equals motor length plus gearbox length — typically 200–450 mm for a 200W–1000W unit. That length must fit in a straight line from the motor mount to the load coupling. In many machines, that straight line does not exist: the conveyor frame is too narrow, the AGV chassis is too shallow, or the automatic door header is too thin. A 90-degree gearbox motor folds the motor perpendicular to the output, converting a 350 mm inline assembly into a compact L-shaped package that fits within a 200 mm depth envelope.

L-Type Configuration

In an L-type right-angle gear motor, the motor body mounts horizontally (or at a machine-defined angle) and the output shaft exits downward or toward the mounting surface. Viewed from the side, the motor-to-output path forms a capital letter "L." This is the most common configuration for applications where the driven load is at or below the motor mounting height: conveyor roller drives, AGV wheel drives, belt-driven transfer systems, and horizontal packaging machinery axes. Shenghe's L-type gear motors (BL80, BL90, BL104, BL120 series) use hollow output shafts (15–25 mm bore) that allow direct coupling to driven shafts without external couplings, reducing assembly length and eliminating alignment errors.

R-Type Configuration

In an R-type right-angle gear motor, the output shaft exits upward or away from the mounting surface — the mirror image of the L-type. This configuration is selected when the driven load is above the motor or on the opposite side of the mounting bracket: overhead sliding gate operators, vertical conveyor lift sections, ceiling-mounted turntable drives, and automatic door mechanisms where the motor mounts below the door track but drives a roller above. The R-type uses the same gearbox internals as the L-type — same gear ratios, same torque ratings, same efficiency — but with the worm wheel and output shaft oriented in the opposite direction.

L-Type vs R-Type: Quick Orientation Reference

Attribute	L-Type	R-Type
Output shaft direction	Downward / toward mount	Upward / away from mount
Motor body orientation	Horizontal, beside load	Horizontal, below load
Typical load position	At or below motor level	Above motor level
Common applications	Conveyors, AGV drives, belt systems	Gate operators, vertical lifts, overhead drives
Hollow shaft option	Yes (15–25 mm bore)	Yes (15–25 mm bore)
Solid shaft option	Yes (keyway or D-cut)	Yes (keyway or D-cut)
Mounting pattern	Face-mount or foot-mount	Face-mount or foot-mount
Gearbox internals	Worm / hypoid / bevel	Worm / hypoid / bevel
Power range	30W–2000W	30W–2000W
Voltage options	24V DC / 48V DC	24V DC / 48V DC

Right-Angle Gearbox Technologies: Worm, Hypoid, and Bevel

The 90-degree shaft redirection in a right-angle gear motor can be achieved through three gear technologies, each with distinct torque capacity, efficiency, noise, and self-locking characteristics. Choosing the right gearbox type is as important as choosing between L-type and R-type orientation.

Worm Gear Right-Angle Motors

Worm gear systems use a helical worm (on the motor shaft) meshing with a worm wheel (on the output shaft) to achieve the 90-degree redirection. This is the most widely used right-angle gearbox technology for BLDC motors because it offers the widest ratio range (5:1 to 200:1) in a single reduction stage and provides mechanical self-locking at ratios above 30:1 — the load cannot back-drive the motor, eliminating the need for an external brake in vertical lift and gate applications. Shenghe's worm gear motor series (BL80–BL120) uses bronze worm wheels paired with hardened steel worms for 10,000+ hour service life under continuous duty. Trade-off: worm gears have lower efficiency (45–75% depending on ratio) compared to hypoid or bevel gears, because the worm-to-wheel contact is primarily sliding rather than rolling. For AC-powered stationary machines where energy efficiency is less critical than self-locking and high ratio, worm gear right-angle motors are the standard choice.

Hypoid Gear Right-Angle Motors

Hypoid gears are similar to bevel gears but with the input pinion axis offset from the output gear axis. This offset creates a larger contact area and smoother engagement than straight bevel gears, resulting in higher torque capacity per unit size and lower noise. Hypoid right-angle gearboxes achieve 92–96% efficiency across their ratio range (3:1 to 10:1) and are preferred for battery-powered applications — AGV drives, electric vehicles, mobile robots — where every percent of efficiency extends runtime. Hypoid gears do not self-lock, so applications requiring position holding at rest need an external electromagnetic brake or the BLDC controller must maintain a holding current.

Bevel Gear Right-Angle Motors

Straight or spiral bevel gears create the 90-degree redirection through conical gears meshing at their intersection point. Bevel gear right-angle gearboxes achieve 90–95% efficiency and are available in ratios from 1:1 to 5:1. They are used in applications requiring near-unity gear ratios with directional change — for example, driving two perpendicular axes from a single motor in packaging machinery or textile equipment. Bevel gears generate more noise than hypoid gears at equivalent speeds because of their straight tooth engagement pattern; spiral bevel gears reduce this noise penalty by 3–5 dB(A) but at higher manufacturing cost.

Right-Angle Gearbox Technology Comparison

Parameter	Worm Gear	Hypoid Gear	Bevel Gear
Ratio range (single stage)	5:1 – 200:1	3:1 – 10:1	1:1 – 5:1
Gearbox efficiency	45–75%	92–96%	90–95%
Self-locking	Yes (ratio >30:1)	No	No
Noise level	50–60 dB(A)	45–55 dB(A)	55–65 dB(A)
Torque density	High	Very high	Moderate
Backlash	<15 arcmin	<8 arcmin	<10 arcmin
Service life (continuous)	10,000–15,000 h	15,000–25,000 h	12,000–20,000 h
Best for	High-ratio, self-locking, stationary	Battery-powered, high-efficiency	Low-ratio directional change
Cost (relative)	Lowest	Highest	Medium

Specifications and Sizing for Right-Angle BLDC Gear Motors

Shenghe's right-angle BLDC gear motor lineup spans four frame sizes — BL80, BL90, BL104, and BL120 — covering 30W to 2000W with both L-type and R-type output options. All models use outer-rotor or inner-rotor brushless DC motors with Hall sensor commutation, and are compatible with Shenghe's standard BLDC controllers supporting speed, torque, and position control modes.

Voltage Selection: 24V vs 48V

The choice between 24V and 48V supply voltage affects current draw, wire sizing, and controller cost. For motors up to 400W, 24V DC is standard — current stays below 20A, compatible with common 24V industrial power supplies and battery packs. For motors above 400W, 48V DC is preferred: a 1000W motor at 48V draws only 23A versus 46A at 24V, halving I²R losses in wiring, reducing connector heat, and allowing smaller wire gauges. Battery-powered AGV and electric vehicle applications almost universally use 48V for the higher power range. Both voltages deliver identical mechanical performance — the same torque and speed at the gearbox output — the difference is purely electrical.

Gear Ratio Selection

The gear ratio determines the trade-off between output speed and output torque. Motor rated speed (typically 3,000 RPM for BLDC motors) divided by the gear ratio gives the output shaft speed; motor rated torque multiplied by the gear ratio (and gearbox efficiency) gives the output torque. For a conveyor requiring 100 RPM output speed and 15 N·m continuous torque: gear ratio = 3000 / 100 = 30:1; required motor torque = 15 / (30 × 0.65 worm gear efficiency) = 0.77 N·m, which a 200W BLDC motor easily provides. For an AGV wheel requiring 120 RPM and 20 N·m with a hypoid gearbox: ratio = 3000 / 120 = 25:1 (select 25:1 or nearest catalog ratio); motor torque = 20 / (25 × 0.94) = 0.85 N·m, requiring a 300–400W motor. The torque and power calculation guide covers the full sizing methodology.

Output Shaft Options

Right-angle gear motors are available with three output shaft configurations: solid shaft with keyway (standard, suits coupling or pulley drive), solid shaft with D-cut (for clamp-style hubs), and hollow shaft (15–25 mm bore, for direct-mount onto a driven shaft without coupling). Hollow-shaft L-type models are particularly popular for conveyor roller drives and AGV wheel hubs because the driven shaft passes through the motor output, eliminating shaft-to-shaft alignment and reducing total assembly width by 30–50 mm compared to a solid-shaft-plus-coupling arrangement.

Shenghe Right-Angle BLDC Gear Motor Model Range

Model Series	Motor Power	Voltage	Gear Ratios	Max Output Torque	Output Shaft	L/R Option
BL80	30–120W	24V / 48V	5:1 – 136:1	40 N·m	Hollow 15mm / Solid 12mm	L & R
BL90	100–400W	24V / 48V	5:1 – 100:1	102 N·m	Hollow 20mm / Solid 15mm	L & R
BL104	200–1000W	24V / 48V	5:1 – 80:1	254 N·m	Hollow 25mm / Solid 19mm	L & R
BL120	500–2000W	48V	5:1 – 60:1	300 N·m	Hollow 25mm / Solid 22mm	L & R

Application-Specific Selection: L-Type vs R-Type

The choice between L-type and R-type is ultimately determined by the physical layout of the machine. Here is how to decide for the four most common right-angle BLDC gear motor applications.

Conveyor Systems

Conveyor belt and roller conveyor drives are the largest application for right-angle BLDC gear motors. In a typical belt conveyor, the motor mounts on the side frame with the output shaft driving the head pulley through the frame. L-type is standard when the motor mounts at or above the conveyor bed level, driving the pulley shaft below. For under-frame mounting where the motor sits below the conveyor and drives upward, R-type is required. Typical specifications: 200–1000W motor, 24V or 48V, worm gear ratio 15:1–60:1, output torque 10–80 N·m, output speed 30–200 RPM. Conveyor gear motor sizing details are covered in our dedicated guide.

AGV and AMR Wheel Drives

AGV and AMR wheel drive motors overwhelmingly use L-type right-angle configurations. The motor body mounts horizontally inside the vehicle chassis, and the output shaft points downward to drive the wheel hub. This maximizes chassis headroom for payload and minimizes vehicle height. The hollow output shaft is critical: the wheel axle passes through the motor output, and the wheel hub bolts directly to the output flange, creating a zero-coupling drivetrain. For heavy-duty AGVs carrying 500–2000 kg, dual L-type BL104 motors (48V, 500W each, 20:1 hypoid ratio) deliver 20 N·m per wheel at 150 RPM — sufficient for 1.0 m/s loaded speed with 200 mm diameter drive wheels. See our AGV motor sizing guide for detailed calculations.

Automatic Doors and Gate Operators

Automatic sliding doors and gate operators use both L-type and R-type depending on the mounting arrangement. For header-mounted sliding door operators (motor inside the door header above the opening), L-type drives the belt or chain mechanism hanging below the header. For post-mounted swing gate operators where the motor sits at ground level and drives the gate arm above, R-type is required. Automatic door motors typically need 100–400W power, 24V DC (battery backup compatible), worm gear ratio 20:1–50:1 for 30–60 RPM output speed, and the self-locking feature of worm gears above 30:1 ratio holds the door in position during power failure without needing an electromagnetic brake — a significant cost and reliability advantage.

Packaging Machinery

Packaging machine drives use right-angle gear motors for film feed rollers, carton erectors, label applicators, and product positioning axes. The 90-degree gearbox allows the motor to mount parallel to the machine frame while driving perpendicular rollers, keeping the machine profile compact. Both L-type and R-type are used depending on the specific axis orientation. Packaging applications often require higher precision than conveyor or door drives: output speed accuracy ±0.1%, gear backlash under 10 arcmin, and smooth reversal for label registration correction. Specifications: 100–500W, 24V/48V, worm or hypoid gear ratio 10:1–30:1, with encoder feedback for closed-loop position control.

L-Type vs R-Type Selection by Application

Application	Preferred Type	Motor Power	Gear Ratio	Output Torque	Output Speed	Key Requirement
Belt conveyor (side mount)	L-Type	200–1000W	15:1–60:1	10–80 N·m	30–200 RPM	Continuous duty, IP54
Belt conveyor (under mount)	R-Type	200–1000W	15:1–60:1	10–80 N·m	30–200 RPM	Continuous duty, IP54
AGV / AMR wheel drive	L-Type	200–500W	10:1–30:1	8–30 N·m	50–150 RPM	Hollow shaft, encoder
Sliding door (header)	L-Type	100–400W	20:1–50:1	5–20 N·m	30–60 RPM	Self-locking, low noise
Swing gate (post mount)	R-Type	200–500W	30:1–80:1	15–60 N·m	10–30 RPM	Self-locking, IP55
Packaging film feed	L or R	100–500W	10:1–30:1	3–15 N·m	50–300 RPM	±0.1% speed, encoder
Vertical lift section	R-Type	400–1500W	30:1–100:1	30–200 N·m	10–60 RPM	Self-locking, brake
Turntable / indexing	L-Type	100–400W	50:1–136:1	20–100 N·m	1–15 RPM	Low backlash, positioning

How to Choose: Engineering Decision Framework

For OEM engineers specifying a right-angle BLDC gear motor, the selection process follows five sequential decisions. Getting any one wrong leads to a motor that does not fit, cannot deliver the required torque, or fails prematurely.

Step 1: Determine Output Shaft Orientation (L-Type or R-Type)

Draw your machine cross-section showing the motor mounting location and the driven shaft center. If the output shaft needs to point toward the mounting surface or downward relative to the motor — choose L-type. If the output shaft needs to point away from the mounting surface or upward — choose R-type. If either orientation works (rare), default to L-type because it has shorter lead times and more standard models in stock.

Step 2: Calculate Required Output Torque and Speed

Define the load: continuous output torque (N·m), peak output torque (N·m, with duty cycle), and output speed (RPM) at the gearbox output shaft. Include a 1.5× service factor for conveyor and material handling applications, 2.0× for applications with shock loads (gate operators, stamping feed). From these, calculate the gear ratio as motor rated speed ÷ required output speed, and verify the required motor torque as output torque ÷ (gear ratio × gearbox efficiency). The torque calculation guide provides the complete formula set.

Step 3: Select Gearbox Type

If you need a ratio above 10:1 and self-locking is beneficial: worm gear. If energy efficiency is critical (battery-powered) and ratio is 10:1 or below: hypoid gear. If ratio is below 5:1 with directional change: bevel gear. For applications between 10:1 and 15:1 where self-locking is not needed, a two-stage planetary + bevel combination may outperform a single-stage worm gear on efficiency while meeting the ratio requirement. Consult worm gear vs planetary gear motor comparison for detailed trade-offs.

Step 4: Match Motor Frame Size and Voltage

Cross-reference your calculated motor power requirement with the model table above. Select the smallest frame size that provides the required power with 20% margin. Choose 24V for motors up to 400W in stationary applications; choose 48V for motors above 400W or any battery-powered application. Verify that the motor physical dimensions fit your available envelope — request a 3D STEP model from Shenghe engineering for interference checking in your CAD assembly.

Step 5: Specify Accessories and Control Interface

Define the output shaft type (hollow bore diameter or solid shaft with keyway), IP protection rating (IP44 for indoor clean environments, IP54 for industrial, IP65 for washdown), encoder type and resolution if closed-loop control is required, and the control interface (analog 0–10V speed command, PWM input, or CAN bus for digital speed control). For IE4/IE5 efficiency compliance, specify the motor efficiency class in your purchase specification.

Decision Matrix: Gearbox Selection by Application Priority

Priority	Worm Gear	Hypoid Gear	Bevel Gear
Self-locking needed	Best	Not available	Not available
Maximum efficiency	Poor (45–75%)	Best (92–96%)	Good (90–95%)
High ratio (>10:1)	Best (to 200:1)	Not available	Not available
Low noise	Good	Best	Fair
Low cost	Best	Highest cost	Moderate
Battery-powered mobile	Avoid if possible	Best	Good (low ratios)
Vertical load holding	Best (self-lock)	Needs brake	Needs brake
Precision positioning	Fair (<15 arcmin)	Best (<8 arcmin)	Good (<10 arcmin)

Right Angle DC Gear Motor — Product overview for L-type and R-type right-angle BLDC gear motors
BLDC Gear Motor — Complete gear motor product line: inline, right-angle, planetary, worm
Worm Gear Motor — Worm gear right-angle motors with self-locking, 5:1–200:1 ratio
BLDC Planetary Gear Motor — Inline planetary gear motors for high-efficiency applications
High Torque BLDC Motor — High-torque motors for heavy conveyor and AGV drives
48V 2000W BLDC Gear Motor (BL120) — Flagship right-angle model, 300 N·m, hollow shaft
48V 1000W BLDC Gear Motor (BL104) — L-type 254 N·m, 25mm hollow shaft, 5 ratios
48V 400W BLDC Gear Motor (BL90) — L-type 102 N·m, 20mm hollow shaft
48V 120W BLDC Gear Motor (BL80) — Compact L-type 1:136 high-ratio
BLDC Motor Controller — Controllers for speed, torque, and position control modes
BLDC Motor with Encoder — Encoder-equipped motors for closed-loop AGV and packaging drives
BLDC Motor for Conveyor Belt — Conveyor motor sizing and selection guide
BLDC Gear Motor for Conveyor Systems — Gear motor specifications for belt, roller, and chain conveyors
BLDC Motor for AGV & AMR — AGV drive motor selection and sizing guide
BLDC Motor for Automatic Doors & Gates — Door and gate operator motor guide
BLDC Motor for Packaging Machinery — Packaging machine motor selection guide
What Is a Worm Gear Motor? — Worm gear working principle and application guide
Worm Gear vs Planetary Gear Motor — Detailed gearbox type comparison
24V vs 48V BLDC Motor — Voltage selection guide for OEM applications
BLDC Motor Torque & Power Calculation — Motor sizing formulas and worked examples
BLDC Motor Energy Efficiency IE4/IE5 — Efficiency ratings and energy savings analysis

Need a Right-Angle BLDC Gear Motor for Your Machine?

Tell us the output shaft orientation (L-type or R-type), required output torque and speed, supply voltage, available mounting envelope, IP protection rating, and expected annual volume. Our engineering team will recommend the optimal motor-gearbox combination from the BL80–BL120 range and provide 3D STEP models for your CAD integration — free of charge for qualified OEM projects.

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FAQ

Frequently Asked Questions About Right-Angle BLDC Gear Motors

Answers to common questions from OEM engineers and machine builders selecting L-type and R-type right-angle BLDC gear motors for conveyor, AGV, automatic door, packaging, and other industrial applications.

What is the difference between L-type and R-type?

L-type: output shaft points downward / toward the mounting surface. R-type: output shaft points upward / away from the mounting surface. Both use the same 90-degree gearbox with identical torque, speed, and ratio specs. Choose based on your machine layout and where the driven load sits relative to the motor.

What gear ratios are available?

Worm gear: 5:1 to 200:1 (self-locking above 30:1). Hypoid gear: 3:1 to 10:1 (92–96% efficiency). Standard catalog ratios include 5:1, 10:1, 15:1, 20:1, 30:1, 50:1, 60:1, 80:1, 100:1, and 136:1. Custom ratios available for OEM volumes above 500 units/year.

Can right-angle BLDC gear motors drive AGV wheels?

Yes — L-type with hollow output shaft is the standard AGV wheel drive configuration. The motor body sits horizontally inside the chassis, output shaft drives downward to the wheel hub. Typical: 200–500W, 48V, 10:1–30:1 ratio, 8–30 N·m output torque, with encoder for closed-loop control.

Worm gear vs hypoid: which is more efficient?

Hypoid gears (92–96% efficiency) are 20–50 percentage points more efficient than worm gears (45–75%). Use hypoid for battery-powered applications where efficiency = runtime. Use worm gear when you need self-locking, high ratios (>10:1), or lower cost for AC-powered stationary machines.

How do I specify a right-angle motor for OEM?

Provide: output torque (continuous + peak), output speed, shaft orientation (L or R), shaft type (hollow bore or solid + keyway), voltage (24V/48V), envelope dimensions, IP rating, control interface, and annual volume. Contact Shenghe engineering for free motor sizing and 3D models.

Key Answers

Short Answers For Generative Search.

Concise answers for search engines and engineers evaluating right-angle BLDC gear motors, L-type configurations, R-type configurations, and 90-degree gearbox motor solutions.

What is a right-angle BLDC gear motor?

A right-angle BLDC gear motor combines a brushless DC motor with a gearbox that redirects the output shaft 90 degrees from the motor axis. This allows the motor body to mount perpendicular to the driven shaft, enabling compact machine layouts where inline motors would not fit. Available in L-type (output downward) and R-type (output upward) configurations, power range 30W–2000W, with worm gear (5:1–200:1), hypoid gear (3:1–10:1), or bevel gear (1:1–5:1) reduction.

When should I use a 90-degree gearbox motor instead of an inline gear motor?

Use a 90-degree gearbox motor when: (1) the motor mounting space is perpendicular to the driven shaft axis; (2) inline assembly length exceeds available depth; (3) you need mechanical self-locking without an external brake (worm gear at ratio >30:1); or (4) the driven shaft must be at 90 degrees to the motor for machine layout reasons (e.g., conveyor motor beside the frame driving through the frame to the roller).

What power range do right-angle BLDC gear motors cover?

Shenghe right-angle BLDC gear motors cover 30W to 2000W across four frame sizes (BL80/BL90/BL104/BL120). Voltage options are 24V DC and 48V DC. Maximum continuous output torque reaches 300 N·m at the BL120 frame size with high gear ratios. Both L-type and R-type output shaft orientations are available in all frame sizes.