MyDIYCNC Sprite CNC Machine Kit

• All-new billet aluminum, precision machine parts
• Larger work area- 7 x 13 x 3.7 in (178 x 330 x 94 mm)
• Fewer parts for greater precision, accuracy, and durability
• Built-in precise alignment of parts
• Pocketed bearing for precise alignment and reduced play
• Stiffer raised aluminum table incorporates slots and threaded holes for clamps and screw down fixtures
• Table clears side rails and X motor for extended workspace
• Centered Z motor/drivetrain for extended Y axis travel and less canting/binding
• Anti-backlash mechanism now machined into axis carriage for greater accuracy and repeatability
• Z carriage features billet aluminum bolt-on tool plate and machined aluminum spindle mounts

• Construction Plans and Comprehensive Builder’s Manual
• 3 2-layer MyDIYCNC Stepper Driver Modules
• MyDIYCNC Spindle Control Module
• Full set of rods
• Bearings and billet aluminum axis carriages
• 3 stepper motors
• Threaded rods
• Couplings
• Built-in anti-blacklash leadscrew mechanisms for the X, Y, and Z axes
• Complete chassis and carriage parts
• Power supply
• Enclosure
• 12 V spindle
• All required hardware

Working Area Dimensions

• Sprite table dimensions- 9.5 x 14 in (241 x 356 mm)
• Sprite workspace- 7 x 13 x 3.7 in (178 x 330 x 94 mm)
• Table travel- 13 in (330 mm)
• Working height clearance- 3.7 in (94 mm)
• Max spindle height- 5 in (127 mm)
• Y axis travel- 9.5 in (241 mm)
• Z axis travel- 4 in (102 mm)

Precision

• 4,000 steps per inch, 0.00025 in (0.00635 mm) per step, each axis
• Up to 32,000 steps per inch, 0.0000312 in (0.000794 mm) per step with microstepping Easy Driver electronics
• Full-step, full-torque performance
• Includes anti-backlash leadscrew mechanisms on each axis

Speed

• Will vary with application and software used
• Max tested travel speed- 26 IPM (inches per minute) with Chopper Drivers
• Max 10 IPM with full-step, full-torque Drivers

Stepper Motors

• NEMA 17 mount
• 12 V DC Bipolar Stepper Motor
• 1.8° Step Angle
• 0.4 Amp/phase
• 2 Phase
• Resistance- 30 Ohm
• Inductance- 32 mH
• Holding torque- 2 Kg/cm
• Detent torque- 210 g/cm
• Shaft diameter- 0.20 in (5 mm)
• Shaft length- 0.94 in (24 mm)

Spindle

• Adjustable speed- 5,000 to 14,000 RPM
• Ball bearing supported shaft
• Powerful torque- 110 g/cm
• Built-in cooling fan
• Button spindle lock
• Keyless 3-jaw chuck head

Power Requirements

• Power supply- 220 VAC or 110 VAC, switch-selectable
• 12 VDC, up to 4 AMPS
• 5 VDC, 500 mA

Laser Head

• Absolute Maximum Ratings:
• Forward current (Tc = 25° C)- 1.7 A
• Allowable reverse current (Tc = 25° C)- 85 mA
• Operating case temperature- 122° F (50° C)

Electrical/Optical Characteristics

• Optical output power- 1.6 W
• Dominant wavelength- 435 - 455 nm
• Threshold current- 80 - 220 mA
• Operating voltage- 3.7 - 5.5 V
• Beam divergence full angle (1/e²)- 5 - 25°, 14° typical
• Beam divergence full angle (1/e²) Perp- 30 - 50°, 44° typical

Laser Driver Board

• High power current source for driving Laser Diodes and Light Emitting Diodes
• Current range of 2.0 Amps
• Current ranges are adjustable in 500 ma increments
• No need for extra cooling at maximum load
• Soft start for diode protection
• Reverse diode and ESD protection
• Thermal protection and over current protection
• Compact size
• CW mode and Input Control mode
• Digitally isolated control input
• Control from CW to 5 KHz
• Configurable input signal- inverting/non-inverting
• Multiple connection options for both Laser/LED output and control input
• LED status lights for input laser enabled and laser on
• Optional fan for extra thermal stability

Laser Board Specs

• HCDBSA 2.0 AMP
• Current source range- 0 - 2.0 Amps
• Current limit jumper settings- 0.5, 1.0, 1.5, 2.0 Amps
• Compliance voltage w/ 7.5 V adapter- 3.5 V
• Compliance voltage w/ 12 V adapter- 8 V
• Current resolution- 0.01%
• Current adjustment- analog, trim pot
• Current range accuracy- always greater than limit, no more than 15%
• Laser diode protection- soft start, reverse voltage, current limit, thermal shutdown
• Control signal digital isolation voltage- 4500 Vrms
• Minimum control signal “turn on” voltage- 2.8 V
• Control signal maximum voltage- 36 V
• Control signal maximum current- 50 ma
• Control signal maximum frequency- 5 KHz
• Connectors- screw terminal and Molex Mini-Fit Jr connectors
• Operating temperature- 32 to 104° F (0 to 40° C)
• Storage temperature- -40 to 158° F (-40 to 70° C)
• Dimensions- 2.85 x 2.1 in (7.24 x 5.33 cm)