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Drop Ball Impact Tester - Bottle Cap
STQ-C
Focusing on packaging and material testing technology, we are committed to quality control in industries such as healthcare, pharmaceuticals, food, packaging, textiles, and new materials. Our products are widely used in enterprises, testing institutions, universities, and research institutes.
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- Commodity name: Drop Ball Impact Tester - Bottle Cap
STQ-C
Drop Ball Impact Tester -- Bottle Cap
Functions
Evaluate the impact resistance of plastic bottle caps, closures, and lids.Determine the structural integrity of caps under sudden impact loading.Widely used for beverage caps, pharmaceutical closures, cosmetic lids, and household chemical containers.Working Principle
The instrument adopts the free‑fall drop weight method. A 286 g steel ball (Φ41 mm) is held by an electromagnetic sucker at a preset height (25-900 mm). The bottle cap is securely mounted on an adjustable bottle clamp that accommodates diameters from 0 to 120 mm. Upon de‑energizing the electromagnet, the ball falls freely onto the cap. The operator observes whether the cap cracks, deforms, or shatters, and assesses its impact resistance based on the ball mass and drop height.Compliant Standards：
ASTM D2463 - Standard Test Method for Drop Impact Resistance of Blow‑Molded Thermoplastic Containers(referenced for impact methodology principles)ISO 8317 - Child‑resistant packaging - Requirements and testing procedures for reclosable packages(impact resistance context)GB/T 17876‑2010 - Packaging containers - Plastic anti‑theft closures(impact resistance test method)Key Features
Adjustable Bottle Clamp: The clamp opens from 0 to 120 mm, adapting to a wide range of bottle neck diameters - from small pharmaceutical vials to large beverage caps.Adjustable Test Height: Height can be set from 25 to 900 mm, accommodating different bottle heights and impact energy requirements.Electromagnetic Release: The electromagnetic sucker ensures zero initial velocity and no lateral force, guaranteeing a true free‑fall for accurate, repeatable results.Safety Protection: A steel ball guard prevents rebound injuries, ensuring operator safety during testing.Pneumatic Clamping (Optional): Provides consistent, even clamping pressure for secure cap fixation without manual tightening.Dedicated Steel Ball: The 286 g / Φ41 mm steel ball is specifically selected for bottle cap impact testing, matching common industry specifications.Technical Specifications
Test Height Range: 25 - 900 mm (adjustable)
Specimen Diameter Range: 0 - 120 mm (bottle clamp)
Steel Ball Diameter: 41 mm
Steel Ball Mass: 286 g
Clamping Mode: Pneumatic (optional manual)
Release Mechanism: Electromagnetic sucker
Power Supply: AC 220/110V, 50/60 Hz
Overall Dimensions: 550 * 550 * 1250 mm (L×B×H)
Net Weight: 50 kgStandard Configuration
Main testing machine (host unit)Adjustable bottle clamp (0-120 mm)Electromagnetic sucker assemblyTwo steel balls (286 g each)Operating manual and calibration certificateApplication Industries & Scenarios
Beverage & Food Industry
Carbonated Drink Caps: Test impact resistance of PET bottle closures under carbonation pressure.Water Bottle Caps: Evaluate tamper‑evidence band integrity after drop impact.Sauce & Condiment Lids: Assess impact durability of flip‑top and disc‑top closures.Pharmaceutical & Healthcare
Child‑Resistant Caps (CRC): Validate impact resistance of safety closures per ISO 8317.Pharmaceutical Vial Caps: Test aluminum‑plastic combination caps for infusion bottles.OTC Medicine Lids: Ensure structural integrity during shipping and handling.Cosmetics & Personal Care
Cream Jar Lids: Evaluate impact resistance of cosmetic closures.Shampoo & Lotion Caps: Test flip‑top and disc‑top lids for retail packaging durability.Perfume Bottle Caps: Assess decorative closure impact resistance.Household & Industrial Chemicals
Detergent Bottle Caps: Validate impact resistance of heavy‑duty closures.Automotive Fluid Lids: Test caps for motor oil and coolant containers.Frequently Asked Questions (FAQ)
Q1: Is GB/T 17876‑2010 still valid?A: Yes. GB/T 17876‑2010 is currently the valid national standard for plastic anti‑theft closures. It specifies the impact resistance test method using a free‑fall steel ball, which this instrument fully supports.Q2: Can this instrument test bottles as well as caps?A: This model is specifically configured for bottle caps and closures. For complete bottles, a bottle drop tester (which drops the entire filled bottle from a set height) would be the appropriate choice. However, the same 286 g steel ball can be used for both applications with different fixtures.Q3: Why is the steel ball 286 g? Can I use a different weight?A: The 286 g / Φ41 mm steel ball is the standard specified in GB/T 17876‑2010 for bottle cap impact testing. This instrument ships with two 286 g balls. Custom weights can be ordered separately if your specific test protocol requires them.Q4: How do I select the correct drop height?A: The height depends on the cap material and the energy level required. Common test heights range from 100 mm to 500 mm. Always refer to your customer specification or the relevant test standard (e.g., GB/T 17876 or internal QC limits).Q5: What is the purpose of the safety guard?A: The steel ball can rebound at high speed after striking a hard cap. The guard prevents the ball from flying out of the test area, protecting the operator from injury.Q6: Can the clamp accommodate odd‑shaped caps?A: The adjustable clamp is designed for round bottle necks (0-120 mm diameter). For non‑round or uniquely shaped caps, custom fixtures can be fabricated to fit the clamping platform.Q7: Is pneumatic clamping required?A: Pneumatic clamping provides consistent, repeatable pressure and is recommended for high‑volume QC. However, the instrument can also be operated with manual clamping for occasional testing. -
Function:
Test the impact resistance of the bottle cap.
Principle:
Electromagnetic sucking test steel ball. The instrument will automatically raise the steel ball to the height required by the test standard. power-off the electromagnet to release the steel ball, and the steel ball falls freely to impact the specimen. Observe the sample condition and test the impact resistance of the sample according to the quality and height of the steel ball.
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Standards：GB/T 17876-2010.
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Charateristics：
- The bottle clamp is adjustable to adapt to different caliber bottles.
- The height of the test can be adjusted to fit different height bottles.
- Using electromagnetic sucker to hang and release a steel ball.
- Steel ball protection device to ensure personnel safety.
- The bottle clamp is adjustable to adapt to different caliber bottles.
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Specification:
- Test height： 25-900 mm.
- Specimen diameter： 0-120 mm.
- Steel ball diameter： 41 mm.
- Mass of steel ball： 286 g.
- Clamping mode： Pneumatic.
- Hang mode： Electromagnetic sucker.
- Power supply： AC220/110V 50/60Hz.
- Size ： 550Ⅹ550Ⅹ1250 (mm) (L)X(B)X(H) .
- Net weight： 50Kg.
- Test height： 25-900 mm.
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Configuration：Principle machine, Bottle clamp, two steel ball（286g）.
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