ETENWOLF HB3 Hair Dryer Drop Test Report (6-Face, 80 cm)

Document Overview

Key Findings All four HB3 hair dryer samples completed the 6-face drop sequence with full functional integrity; two units showed minor front/rear housing misalignment on four faces but retained normal operation throughout. Product: ETENWOLF HB3 Hair Dryer Test Type: 6-Face Drop Test (Mechanical Reliability) Samples…

Document type: Test Report
Prepared by: Alex Newman
Published: July 22, 2026
Last reviewed: July 22, 2026
Topics: Mechanical Reliability

Key Findings

All four HB3 hair dryer samples completed the 6-face drop sequence with full functional integrity; two units showed minor front/rear housing misalignment on four faces but retained normal operation throughout.

Product: ETENWOLF HB3 Hair Dryer
Test Type: 6-Face Drop Test (Mechanical Reliability)
Samples Tested: 4 units (5#, 6#, 7#, 8#)
Drop Faces: Back, Right Side, Front, Left Side, Bottom, Top
Test Date: 2025-05-20
Overall Verdict: Pass — no functional failures observed across all samples
Notable Observation: Units 5# and 8# exhibited front/rear shell misalignment after drops 3–6; function unaffected

Test Overview

Field	Detail
Test Type	Drop Test — Mechanical Reliability (6-Face)
Report File	HB3吹风机-跌落测试报告 2025.5.20.xls
Test Date	2025-05-20
Product	ETENWOLF HB3 Hair Dryer
Category	Hair Dryer (吹风机类)
Product Line	Inflation Tools
Number of Samples	4 units (5#, 6#, 7#, 8#)
Sheet	Sheet1 (Sheet Index 2 of 2)

Test Equipment & Setup

Parameter	Detail
Test Method	Free-fall 6-face drop
Drop Faces	6 faces: Back, Right Side, Front, Left Side, Bottom, Top
Drop Sequence	Drop 1: Back face down; Drop 2: Right side face down; Drop 3: Front face down; Drop 4: Left side face down; Drop 5: Bottom face down; Drop 6: Top face down
Samples	5#, 6#, 7#, 8#
Evaluation Criteria	Visual inspection + functional verification after each drop face

Test Procedure

Pre-Test: Inspect each sample for pre-existing cosmetic or functional defects and record baseline condition.
Sample Labeling: Label units as 5#, 6#, 7#, and 8# for traceability throughout the test sequence.
Drop 1 — Back Face Down: Orient the unit with the back face downward and release from the specified height onto a hard flat surface.
Drop 2 — Right Side Face Down: Rotate unit 90° and drop with the right side face downward.
Drop 3 — Front Face Down: Orient unit with the front face downward and drop.
Drop 4 — Left Side Face Down: Orient unit with the left side face downward and drop.
Drop 5 — Bottom Face Down: Orient unit with the bottom face downward and drop.
Drop 6 — Top Face Down: Orient unit with the top face downward and drop.
Post-Each-Drop Inspection: After each drop, visually inspect for cracks, housing separation, or cosmetic damage, and verify the unit powers on and operates normally.
Acceptance Criteria: No functional failure (unit must power on and operate); cosmetic misalignment is noted but does not constitute a functional failure.

Test Data & Results

Drop Date	Sample No.	Drop 1 — Back Face Down	Drop 2 — Right Side Face Down	Drop 3 — Front Face Down	Drop 4 — Left Side Face Down	Drop 5 — Bottom Face Down	Drop 6 — Top Face Down
2025-05-20	5#	No abnormality	No abnormality	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal
	6#	No abnormality	No abnormality	No abnormality	No abnormality	No abnormality	No abnormality
	7#	No abnormality	No abnormality	No abnormality	No abnormality	No abnormality	No abnormality
	8#	No abnormality	No abnormality	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal	Front/rear housing misalignment; function normal

Observations: Units 6# and 7# passed all six drop faces with no cosmetic or functional issues. Units 5# and 8# showed front/rear housing misalignment beginning at Drop 3 (front face down) and persisting through Drops 4–6; however, both units maintained full functional operation throughout. No cracks, broken components, or power failures were recorded for any sample.

Conclusion

Item	Detail
Test	6-Face Drop Test
Standard / Method	Free-fall 6-face drop, visual + functional inspection
Product	ETENWOLF HB3 Hair Dryer
Samples Tested	4 units: 5#, 6#, 7#, 8#
Test Date	2025-05-20
Functional Failures	0 out of 4 samples
Cosmetic Issues	Front/rear housing misalignment on units 5# and 8# (Drops 3–6); function unaffected
Verdict	Pass — All samples retained full functional operation after completing the 6-face drop sequence

Document Information

Role	Name
Author / Tester	Alex Newman
Source File	HB3吹风机-跌落测试报告 2025.5.20.xls
Report Date	2025-05-20
Published	2026-07-12
Product Line	Inflation Tools
Term ID	95

Frequently Asked Questions

What does the ETENWOLF HB3 drop test evaluate?

The HB3 drop test evaluates the mechanical reliability of the hair dryer by dropping it onto a hard surface from a set height across all six faces — back, right side, front, left side, bottom, and top — then inspecting for functional failures or structural damage after each drop.

Did all HB3 samples pass the 6-face drop test?

Yes. All four samples (5#, 6#, 7#, 8#) passed the drop test with no functional failures. Units 5# and 8# showed minor front/rear housing misalignment on four drop faces, but both continued to operate normally, so they are considered passing results.

What is considered a failure in the HB3 drop test?

A failure is recorded if the unit cannot power on or loses normal operating function after any drop. Cosmetic misalignment such as housing shift, while noted, does not constitute a functional failure provided the unit continues to work as intended.

How many faces are included in the HB3 6-face drop test sequence?

The test covers six faces in sequence: back face down, right side face down, front face down, left side face down, bottom face down, and top face down. Each face is tested as a separate drop event, and the unit is inspected after each one.

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