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Please read the manual before use.
This section sets the foundation for a safe repair environment. Before a single tool touches a phone, the workspace must be prepared to protect both the technician and the sensitive electronics.
Electrostatic Discharge (ESD) Safety: Instructions on grounding yourself using an ESD wrist strap and working on an anti-static mat to prevent frying microchips with static electricity.
Safety Gear: Protocols for wearing safety glasses (critical when prying shattered glass) and working in a well-ventilated area (crucial for adhesive fumes and soldering smoke).
Lighting and Magnification: Recommendations for high-intensity desk lamps and digital microscopes or magnifying visors for viewing microscopic components.
The most physically risky part of mobile repair is opening the device without cracking the glass screen or ripping delicate internal ribbon cables.
Thermal Tools (Heat Guns & Heat Pads): Instructions on setting precise temperatures (typically 80°C to 100°C) to soften heavy factory adhesives without damaging the display.
Suction & Leverage Tools: Proper placement of heavy-duty suction cups and screen prying fixtures to safely create an initial gap.
Separation Media (Plastic Picks & Spudgers): Techniques for slicing through glue lines using plastic opening picks without inserting them too deeply into the frame.
Modern smartphones use dozens of tiny, highly specialized screws and brackets to hold internal shields in place.
Precision Driver Identification: A breakdown of specialized micro-bits, detailing exactly when to use Pentalobe (iPhones), Tri-point/Y-type (internal Apple shields), Torx/Torx Security (Android devices), and standard Micro-Phillips.
Organization Systems: Guidelines for using magnetic project mats or screw organizing trays to map out screw locations, preventing the catastrophic error of “long-screw damage.”
Gripping & Placer Tools: How to utilize straight and curved ESD-safe tweezers to safely disconnect fragile ZIF (Zero Insertion Force) and coaxial cable connectors.
This section transitions the user from basic mechanical teardowns to logical troubleshooting when a phone won’t turn on or charge.
Digital Multimeter (DMM): Step-by-step instructions on setting up the meter for DC voltage testing (checking battery and charging port output) and continuity/diode mode (hunting for short circuits).
DC Power Supply: How to boot a phone motherboard without a battery attached, interpreting current draw (Amperage) to diagnose power management failures.
USB Ammeter / Tester: Utilizing an inline USB safety tester plugged into the charging block to instantly diagnose if a phone is pulling normal current ($1A$ to $2A$) or completely dead ($0A$).
For advanced users handling board-level fixes like swapping out charging ports, audio IC chips, or FPC connectors.
Soldering Iron Stations: Temperature calibration tips, tip selection (chisel vs. conical), and maintenance/tinning procedures.
Hot Air Rework Stations: Managing the delicate balance of air flow and temperature to safely desolder multi-pin components without blowing adjacent surface-mount resistors off the board.
Chemical Consumables: Proper application of rosin flux (to clean joints and fluidize solder), solder wick (braided wire to remove old solder), and low-melt solder alloys.
The final step is cleaning up the internal cavity and sealing the device back up to its original structural integrity.
Chemical Cleaners: Safe usage of 99% Isopropyl Alcohol (IPA) to dissolve old glue residues, flux oils, and clean mild liquid damage.
Liquid Adhesives vs. Tape: Instructions on applying specialized acrylic glues (like B-7000) versus applying precision-cut double-sided adhesive gaskets.
Camping and Curing: Utilizing specialized display repair clamps to apply even, steady pressure while the new adhesives cure over 15 to 30 minutes.
The Crowbar SW-103 Smart CPU Glue Cleaning Blades are designed to simplify the often challenging task of removing adhesive residues from delicate CPU surfaces. These blades offer exceptional precision, helping you clean effectively without risking your device’s integrity. Crowbar SW-103 Smart CPU Glue Cleaning Blades
Crafted with durability in mind, the SW-103 blades are made from high-grade materials that ensure long-term reliability. Their ergonomic design allows for easy handling, preventing scratches while achieving a smooth, glue-free finish every time. Crowbar SW-103 Smart CPU Glue Cleaning Blades
Whether you’re building a PC or maintaining one, this smart cleaning tool is essential for achieving peak CPU performance. Designed to meet the needs of professionals and hobbyists alike, the Crowbar SW-103 makes tedious glue residue removal quick and hassle-free. Crowbar SW-103 Smart CPU Glue Cleaning Blades
Here is the comprehensive technical breakdown and full specification sheet for the Crowbar SW-103 Smart CPU Glue Cleaning Blades / IC Degumming Crowbar Kit. This detailed guide covers its structural design, material properties, applications, operational techniques, and maintenance standards.
The Crowbar SW-103 is a professional-grade, micro-precision chip-level maintenance tool set explicitly engineered for delicate hardware rework. It is a staple in modern electronic repair laboratories for scraping, cutting, lifting, and cleaning black or white underlying epoxy resins (underfill glue) surrounding smartphone, laptop, and tablet ICs (Integrated Circuits) such as CPUs, eMMC, NAND, and BGA chips. Crowbar SW-103 Smart CPU Glue Cleaning Blades
The following comprehensive matrix breaks down every specification, parameter, and physical property of the Crowbar SW-103 tool kit.
The SW-103 kit relies heavily on its unique flexible silver-alloy material. During chip desoldering or degumming, a completely rigid tool can easily apply excessive localized leverage. This often cracks the corners of silicon dies or rips up the delicate copper solder pads from the printed circuit board (PCB). The elastic design of the SW-103 behaves like a structural leaf spring. It absorbs accidental excessive downward pressure from the technician’s hand, bending slightly to preserve the fragile board layer beneath.
With modern smartphone motherboards packing components tightly together, the clearance space between chips is often less than 0.2 mm. The ultra-thin processing of the SW-103 tips permits seamless entry into these tight areas. The tapered edge acts as a mini-wedge, slicing through structural underfill glue without requiring the technician to pry hard against surrounding surface-mount devices (SMDs) like resistors and capacitors.
When cleaning glue, a hot air rework station is continuously blasting the target zone with temperatures between 250°C and 350°C to soften the resin.
The Problem: Bare metal tools quickly conduct this intense heat straight to the technician’s fingers, causing fatigue and slipping.
The Solution: The integrated silicone mid-bar grip on the SW-103 serves a dual purpose. It creates a thermal barrier that keeps the tool comfortable to hold, while its textured pattern stops sweat-induced slipping. This ensures precise tracking even during high-magnification microscope operations.
The SW-103 tool set is built to cover several distinct phases of the advanced micro-soldering workflow.
Before lifting a chip like a mobile CPU, the tough factory underfill resin surrounding its perimeter must be cleared away. Technicians use the sharp, pointed tips of the SW-103 while applying low-temperature heat (approx. 200°C–250°C) to carve a clean channel around the chip. This step isolates the target IC from nearby components and makes room for the lifting tools.
Once the solder balls underneath the BGA chip hit their melting point (liquidus phase), the hook-shaped or flat-angled blades are inserted under the corner of the chip. Thanks to the tool’s ultra-thin profile, it slides smoothly beneath the silicon without scratching the solder mask on the motherboard, allowing for a clean, damage-free separation.
After a chip is successfully removed, a messy layer of residual glue and old solder stays behind on the circuit board pads. Technicians switch to the wide, flat-head blades of the SW-103 to glide flat across the pad array. This safely scrapes away the softened glue residue, leaving a flat, clean surface ready for reballing and installing the new chip.
To extend the service life of your SW-103 blades and keep them performing perfectly, follow these essential maintenance protocols:
Avoid Prying Cold Resin: Never try to scrape or pry cured underfill epoxy when it is completely cold. Always use a hot air gun to soften the glue first; prying cold resin will quickly dull the precision tips and reduce their lifespan. Crowbar SW-103 Smart CPU Glue Cleaning Blades
Residue Removal: Clean off any melted glue or resin buildup from the blades right away using Isopropyl Alcohol (IPA) and a fine anti-static wire brush. Leaving burnt resin on the tips can pit the metal over time. Crowbar SW-103 Smart CPU Glue Cleaning Blades
Storage: Keep the tools safely inside their original protective packaging or slots when you aren’t using them. Storing them loosely in a cluttered tool drawer can cause the micro-tips to bump together, flattening or nicking the sharp edges. Crowbar SW-103 Smart CPU Glue Cleaning Blades
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