lock technical
LOCKS TECHNICAL
1
TESTING
TORQUE TESTING
The lock housing is secured and the
shackle is then clamped and twisted
around the axis. The Strongman
withstands forces up to 1kNm.
TECHNOLOGY
Knog cable locks have superior
resilience and flexibility compared
with locks using standard braided
steel cable cores. The unique
combination of materials crush
before cutting, making bolt cutter
attacks more frustrating for
smash-and-grab thieves.
5. Torque test diagram
2
TENSILE TESTING
Braided Cable
Fibre Core
Silcone Overmould
1 & 2. Fibre-core cross section
The lock is secured in a test machine
and axial force is applied inline
with the direction the shackle is
disengaged during normal use.
The Strongman withstands forces
up to 3000kg.
6. Tensile test diagram
INVESTMENT CASTING
PERFORMANCE TESTING
The Knog Strongman utilises
investment casted steel to provide
a highly-secure lock housing.
Concealing the mechanism in a top
down assembly makes for a robust
and reliable lock.
We subject our locks range to a
vast array of environmental tests to
ensure they are fit for purpose for
everyday use. These procedures
are undertaken during research and
development through to prototype
and manufacture. These include:
3
3. Housing cut away exposing
the lock investment cast
4
DESIGN & ENGINEERING
DOUBLE DEAD LOCK
Many locks are secured on one side
of the shackle only. This makes
them more susceptible to theft
by simply cutting through one
side and twisting the lock open.
The Strongman and Bouncer locks
both feature a double-deadlock
mechanism. By securing both sides
of the shackle, attacks of this nature
are eliminated.
5
Drop Tests
Impact Tests
Corrosion Testing
Vibration Testing
Extreme Temperature Testing
Cycle Testing
MATERIALS
OVERMOULDED SILICONE
Our signature overmoulded silicone
finishes have purpose over and
above good looks. UV-treated silicone
rubber is a non-toxic material that
has lower environmental impact and
superior longevity when compared
to locks covered in PVC.
CUTTING RESISTANCE
Comparitively our sausage locks
are upto five times stronger than
the competition.
7. Braided steel cable vs.
Fibre core Cable
7A
PLASTICS
7a. Fibre core
Polycarbonate and glass-filled nylon
are two types of plastic that Knog
chooses to use. These are robust,
durable, hard-wearing, strong and
lightweight materials that provide
excellent performance.
7b. Braided steel
4. Double dead lock cross section
SEAMLESS CONSTRUCTION
If someone can’t find your elbow, how
can they twist your arm? Unifying
surfaces and concealing construction
methods help to minimise visible entry
points thereby confusing, deterring
or preventing burglary altogether.
KNOG LOCKS
6
Enhancing security is our primary
goal. By subjecting steel to this
particular finishing process, it
becomes more resilient to tensile,
cutting and impact attacks.
7B
KNOG LOCKS
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