CHIHAI 480ATM Brushed DC Motors, Models 114/113/102/123/130/131

CHIHAI MOTOR

$41.92 USD

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Motor Model 114 - Long Shaft High Torque 19000rpm 113 - Long Shaft 32000rpm 102 - Short Shaft 32000rpm 123 - N52 Long Shaft 24000rpm 130 - 480 Alpha 33000rpm 131 - 480 Beta 31000rpm

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Overview

The CHIHAI MOTOR 480ATM Series is a selection of brushed DC motor configurations with a bevel pinion, ball-bearing support and model-specific shaft length and magnetic design. Choose114 low-speed high-torque,113 long-shaft,102 short-shaft,123 N52,130 Alpha or131 Beta to match the intended drive assembly.

Features

Permanent-magnet brushed DC construction with ball-bearing shaft support.
Hardened MIM steel bevel pinion for the matching mechanical drive.
Long-shaft and short-shaft configurations with clearly separated speed references.
N35H magnet configurations or the No123 N52 option.
Vented or enclosed housing and nylon/aluminum rear-cap construction according to model.

Specifications

Item	Specification
Motor family	480ATM / CHF-480WA brushed permanent-magnet DC motor with pinion; no reduction gearbox
Model choices	114,113,102,123,130 Alpha,131 Beta
Common size references	29.5 mm overall width;45.5 mm motor-body length; long/short shaft per model
No114 envelope reference	29.5 x25.2 x88 mm including shaft and pinion; motor-can photograph shows23 x23 mm section reference
No114 net mass reference	Approximately140 g; other model shipping masses estimated separately
Pinion	Hardened MIM injection-steel bevel pinion
Bearings	Ball-bearing construction
Motor cooling	Vented housing on114/113/102/130/131; No123 enclosed magnetic-locking shell configuration
114/113/102 end cap	Heat-resistant nylon
123 end cap	CNC-machined thermally conductive aluminum alloy; carbon-brush construction
130/131 construction	Eight angled cooling slots, heat-resistant nylon end cap, wear-resistant carbon brushes and dynamic balancing
Direction and polarity	Observe marked positive/negative terminals; mechanically compatible external drive required

Model Selection

Model	Shaft	11.1V no-load rpm	Other no-load speed reference	Overall mm	Shaft/pinion projection mm	Magnet
114	Long	19000	12000rpm at7.4V	88	30.5	N35H
113	Long	32000	21000rpm at7.4V	88	30.5	N35H
102	Short	32000	21000rpm at7.4V	74	15.5	N35H
123	Long	24000	32000rpm at14.8V	88.5	30.5	N52
130	Long	33000	22000rpm at7.4V	88.5	30.5	N35H
131	Long	31000	20000rpm at7.4V	88.5	30.5	N35H

The motor-body length reference is45.5 mm and overall width reference is29.5 mm. No102 is the short-shaft configuration. No123 has its own11.1V/14.8V references; the other numbered choices show7.4V/11.1V references. Match the complete model and actual mechanical clearance rather than using one drawing for all variants.

Electrical Operating Points

Model	Voltage	No-load current A	Stall torque mN·m	Stall current A
114	11.1V	1.8	395.68	66.875
113	11.1V	2.8	232	69.2
102	11.1V	2.8	232	69.2

No-load, efficiency, maximum-output and stall figures describe separate operating conditions. No114 performance values below apply only to No114 at11.1V; do not apply them to the other motor choices. Stall figures are transient references, not continuous operating ratings. Avoid prolonged stall and provide a suitable driver,power system and current protection.

Operating point	Reference values
No114 at11.1V,maximum-efficiency point	69.9% efficiency;55.766 mN·m torque;16322 rpm;10.972 A;85.10 W output
No114 at11.1V,maximum-output point	197.839 mN·m torque;10026 rpm;32.54 A;175.723 W output

Model Construction

No114,113 and102 use N35H magnets, a heat-resistant nylon end cap, ball-bearing construction and MIM steel bevel pinion. No123 uses N52 magnets, a CNC-machined thermally conductive aluminum-alloy rear cap, carbon brushes, an enclosed magnetic shell, ball bearings and dynamic balancing. No130 Alpha and131 Beta use N35H magnets, eight angled cooling slots, a nylon end cap, carbon brushes, ball bearings and dynamic balancing. Compatibility with external control electronics depends on the intended system; no controller is built into the bare motor.

Installation and Power

Check motor length, shaft projection,pinion engagement and terminal clearance against the intended assembly. Observe terminal polarity and use a power supply or battery and driver able to support the selected load and startup current. A spring-loaded motor/pinion assembly is shown in the model photographs; confirm mechanical fit before installation. Keep metal parts clear of the electrical terminals. Do not overload or sustain a stall.

Applications

Suitable for compatible ATM-style model drive mechanisms and compact high-torque motor assemblies requiring the selected pinion,shaft length and speed. The terms high torque and low speed are relative to this motor family and do not indicate a built-in reduction gearbox.

What's Included

One selected numbered motor with its illustrated pinion and shaft assembly. The storage case is a packaging reference where illustrated. A motor driver,controller,battery,power supply,gearbox and complete model mechanism are not included.