Structural, Motion Hardware

Part Number	Description / PDF	Quantity
FIT0387 DFRobot	5MM RUBBER WHEEL COUPLING KIT (P	0
FIT0085 DFRobot	WHEEL 42X19MM (PAIR)	0
FIT0654 DFRobot	MECANUM WHEEL (80MM) - RIGHT	7
FIT0007 DFRobot	METAL BALL CASTERS	41
FIT0336 DFRobot	RUBBER WHEEL (COMPATIBLE WITH SE	0
FIT0500 DFRobot	D80MM SILICONE WHEEL FOR TT MOTO	0
FIT0004 DFRobot	PAN AND TILT KIT (BLACK ANODIZED	0
FIT0160 DFRobot	MICRO METAL GEARMOTOR BRACKET	8
FIT0252 DFRobot	RUBBER WHEEL 136X24MM	0
FIT0159 DFRobot	BALL CASTER METAL-MINIQ	0
FIT0662 DFRobot	MECANUM WHEEL (48MM) - RIGHT	18
FIT0661 DFRobot	MECANUM WHEEL (48MM) - LEFT	18
FIT0653 DFRobot	MECANUM WHEEL (80MM) - LEFT	8
FIT0523 DFRobot	COPPER COUPLING 4MM	11
FIT0003 DFRobot	RUBBER WHEEL FOR A4WD AND A2WD	0
KIT0044 DFRobot	RUBBER WHEEL 136X24MM KIT	0
FIT0247 DFRobot	5MM ALUMINUM TIMING PULLEY FOR 3	0
FIT0199-R DFRobot	RUBBER WHEEL SET D65MM RED	0
FIT0199-B DFRobot	RUBBER WHEEL SET D65MM BLUE	0
FIT0378 DFRobot	SUMO BUMPER FOR MINIQ 2WD	0

Structural, Motion Hardware

1. Overview

Structural hardware refers to components that provide mechanical support, fixation, or load-bearing functions in systems. Motion hardware enables controlled movement, positioning, or transmission of mechanical energy. Both categories are critical in automation, robotics, aerospace, and industrial machinery, ensuring precision, durability, and system integration.

2. Main Types and Functional Classification

Type	Function Features	Application Examples
Structural Fasteners	High-load bearing, vibration resistance, corrosion protection	Aerospace frame assembly, automotive chassis
Linear Guides	Low-friction linear motion control, high positioning accuracy	CNC machine tools, 3D printers
Ball Screws	Convert rotary to linear motion with 90%+ efficiency	Industrial robots, semiconductor manufacturing equipment
Shaft Couplings	Transmit torque while compensating for misalignment	Conveyor systems, packaging machinery

3. Structure and Components

Structural hardware typically includes threaded elements (bolts, screws), anchoring mechanisms, and load-distributing washers. Motion hardware combines precision-machined rails, recirculating ball bearings, and hardened steel shafts. Advanced systems integrate sensors and smart materials for adaptive control.

4. Key Technical Specifications

Parameter	Description	Importance
Load Capacity	Maximum static/dynamic force withstandable	Determines operational safety and lifespan
Positioning Accuracy	Micron-level deviation tolerance	Critical for semiconductor and optical equipment
Friction Coefficient	0.001-0.01 range for rolling elements	Impacts energy efficiency and heat generation
Corrosion Resistance	Measured by salt spray test duration	Essential for marine/chemical environments

5. Application Fields

Industrial Automation: Collaborative robots, AGV navigation
Aerospace: Satellite deployment mechanisms, aircraft actuation systems
Medical Equipment: MRI scanner positioning stages, surgical robots
Renewable Energy: Solar tracker orientation systems, wind turbine pitch control

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Technical Highlights
THK Co., Ltd.	HSR Linear Guides	World's first self-lubricating rail system
MISUMI	Ball Screw Support Units	Integrated angular contact bearings
Bosch Rexroth	IndraDrive Motion Controllers	Integrated safety functions up to SIL-3

7. Selection Guidelines

Consider operating environment (temperature, humidity), load dynamics (shock, vibration), and precision requirements. For example, cleanroom applications require non-outgassing materials, while outdoor installations demand IP67-rated enclosures. Cost optimization can be achieved through standardized component selection.

8. Industry Trends

Key developments include additive manufacturing of lattice-structured supports, IoT-enabled condition monitoring systems, and bio-inspired adhesives replacing traditional fasteners. The market is projected to grow at 5.8% CAGR through 2030, driven by Industry 4.0 automation demands.