Krupp hydraulic hammers

Krupp hydraulic hammers
Krupp hydraulic hammers:
What they are and what they can do
1963 – Krupp submitted
the first ever patent application for a hydraulic percussion mechanism.
1967 – At the Hanover Fair
Krupp introduced the
world’s first machine-operated hydraulic hammer –
the HM 400.
1985 – Krupp launched the
first silenced and vibration
damped system of hydrau-
lic hammers under the
name "Vibrosilenced",
finally providing genuine
relief for both man and
machine.
As a leading innovator in
the development of
hydraulic hammers, the
company has been setting
standards since 1963.
1995 – Further improvement and development
resulted in the "Vibrosilenced Plus" system for
even more effective silencing and vibration damping.
Today’s Atlas Copco
Construction Tools offers:
1998 – The "Marathon®"
wear protection system,
for improving hammer
availability, was launched.
In 2000 Krupp Berco Bautechnik is introducing two
series of high-performance
hydraulic hammers –
the "Eco line" and the
"Marathon® line".
In 2002, Krupp Berco
Bautechnik was taken over
by the Atlas Copco group.
HM 400 with special holder at work
in a quarry – first put to work in
1968 and in operation until 1987,
this fully operational veteran is now
on display at the German Museum
in Munich.
3
• Highly productive
hydraulic hammers
• Practice-oriented consulting on all aspects of
the hammer
4
Technology for maximum economy
Decades of experience and
the latest innovations have
gone into the design of
Krupp’s hydraulic hammers,
the following being just
some of the features that
ensure maximum economy:
• Universal application
• Long service life
• High performance
• High availability
• Easy maintenance
• Reduced strain
on carriers
1 Higher performance
AutoControl optimizes running characteristics, facilitates energy recovery and
simplifies the handling of the hammer.
features of Krupp’s hydraulic hammers are illustrated
in this cross-section of an
HM 2500 Marathon®. It is
details such as these that
make our hydraulic hammers unbeatable and give
you the edge over your
competitors.
2 Ready for special applications
Standard port for forced ventilation,
e.g. for underwater jobs.
2
Many of the carefully developed,
practice-proven
1
3
4
6
3 Maintenance-friendly
Service opening provides direct access
for routine maintenance; the percussion mechanism can be easily
removed from the hammer box.
4 Energy accumulation and safe start-up
Due to integrated gas piston accumulator in the cylinder cover
5 Automatic lubrication
With the ContiLube® II mounted
directly on the hammer box; very
simple handling and highly economical use of lubricant.
5
6 Easy on carrier
The elastic suspension of the percussion mechanism in pre-stressed elastic damping elements prevents damage to the carrier.
7
7 Low noise emission levels
No acoustic bridges between percussion mechanism and hammer box.
Additional silencing optional.
8
9
10
8 Low recoil action reduces strain on
man and machine
Due to long piston stroke.
9 Optimum transfer of percussive energy
Due to piston and working tool having
virtually the same diameter.
10 Long service life of hammer box
Due to use of highly wear-resistant
materials for high-stress zones.
11
12
11 Long service life of wear bushings
Due to DustProtector facility for effective protection against dust penetration.
12 Reliable working tools
By precise coordination of design,
materials and heat treatment. Inhouse production!
Silencing and vibration damping for
all Krupp hydraulic hammers
All Krupp hydraulic hammers are supplied with
"Vibrosilenced" carrier systems – including both the
lightweight series hammers with hammer holder as
well as models with a hammer box.
5
3
5
9
9
6
100
95
8
4
2
8
dB(A)
90
Hammer
10
1
Hammer
7
85
80
4
Krupp launched the first
silenced and vibration
damped hydraulic hammers
back in 1985 under the
name "Vibrosilenced".
This involved the use of
non-metallic suspension
arrangements to isolate
the percussion mechanism
acoustically from the external carrier system. These
arrangements prevented
noise and vibrations emanating from the percussion
mechanism from being
transferred by the carrier
system to the carrier and
into the wider environment.
"Vibrosilenced" achieved a
reduction in noise emissions of approx. 8 dB(A) in
comparison to the older,
conventional carrier
systems.
At the 1995 Bauma show,
Krupp introduced "Vibrosilenced Plus", a further
improvement on the Vibrosilenced" system. By optimizing the shape of the
hammer box and sealing
all openings, a further
reduction in noise emissions of approx. 8 dB(A)
was achieved, i.e. perceived noise levels were
once again cut by half.
The diagram shows
10
the results of measurements taken all
the way around a
hydraulic hammer with
the two different carrier
systems. The differences
speak for themselves.
The impact of these developments is apparent on
building sites everywhere.
To prevent noise emissions causing long term
harm to individuals, they
must remain at the minimum distance at which
the noise level is below 85
dB(A).
2
7
1
Vibrosilenced Plus
Vibrosilenced
With Krupp’s hydraulic
hammers this distance is as
follows:
• Pre-1985
70 m
• "Vibrosilenced"
31 m
• "Vibrosilenced Plus" 10 m
A variety of options to
meet customer requirements are available for
"Eco line" hammers (see
pages 10 and 11).
6
"Marathon® line" hammers: wear
protection system for high availability
All the "Marathon® line" hammers are
equipped with the "Marathon®" wear protection system developed by Krupp. This
system prevents excessive wear on the
hammer, resulting from:
• dirt penetration
• inadequate lubrication
• excessive material strain during use.
MARA
THON
®
The system consists of the following
three components:
AutoControl
Note:
Krupp hydraulic hammers
with AutoControl switch
automatically to a higher
impact rate with reduced
impact force when
called for by operating
conditions. For applications
requiring only a high
impact rate, AutoControl
can be set accordingly.
Prevents damage!
DustProtector
ContiLube® II
Precise piston control and
automatic stroke switching
Dust protection facility
mounted on the hydraulic
hammer
Automatic lubrication unit
mounted directly on the
hydraulic hammer
A control system for
adjusting the impact rate
and force to a variety of
operating conditions.
(Application for DBP
19636659 pending)
Two independently operating strippers prevent the
penetration of coarse dirt
and fine dust particles into
the lower hammer part.
(DBP 19628815 received)
Mounted directly on the
hammer, this unit ensures
reliable, automatic lubrication of the working tool’s
wear bushings.
Effects
AutoControl
DustProtector
ContiLube® II
Smooth running
Minimal wear of
lower hammer part
Minimal wear
Energy recovery and
high efficiency
Optimal lubrication
Non-stop use
Reduced strain on equipment
Improved service life
of wear parts
Simple handling
Highly adaptable
Maintenance-friendly
Flexible use of hammer
= Greater productivity
= High availability
= Uninterrupted production
8
Krupp has the right hydraulic hammer for a wide
range of applications, as
shown in the table.
Moreover, our equipment
is designed such that special jobs can generally
also be handled without
the need for extensive
conversion or accessories.
Hammers to suit all requirements
Field
General
construction
work
Demolition
For underwater applications, additional equipment such as compressed
air lines and safety circuits
is essential to ensure safe,
damage-free operation.
The corresponding conversion equipment is
available as an optional
extra.
For tunneling applications,
the "Marathon® line"
hydraulic hammers with
DustProtector permit uninterrupted operation, even
in extreme dust conditions.
Use in high-temperature
applications, such as in
steel or aluminum works,
does not require any retrofitting. Where dust is excessive the hammer can
be protected with a jet of
air.
When working underwater
or in protected drinking
water areas, Krupp hydraulic hammers can also be
operated using environmentally compatible fluids
and lubricants.
Type of application
Hammer models
Tearing up concrete and asphalt
HM 60 - HM 780 S
road surfaces
Landscape gardening
HM 60 - HM 350
and landscaping
Trenchwork for utilities,
HM 60 - HM 4000 S
foundation work
Masonry and
HM 60 - HM 780 S
non-reinforced concrete
Reinforced concrete
HM 90 - HM 780 S
Heavily reinforced concrete, demoHM 960 - HM 4000 S
lition of power stations and bridges
Rock breaking
Tunneling,
mining
Hightemperature
applications
Underwater
applications
Quarrying
HM 960 - HM 4000 S
Breaking oversizes
Bench leveling
Trenchwork
Foundation work
HM 720 - HM 4000 S
Clearing the roof
HM 90 - HM 780 S
Bench leveling
HM 90 - HM 4000 S
Tunnel driving
HM 780 S
HM 1000 S-HM 4000 S
Removing encrustations
HM 140 - HM 780 S
Breaking out ladles
and molds
HM 90 - HM 780 S
Breaking up slag
HM 960 - HM 4000 S
Demolition
Deepening shipping channels
HM 960 - HM 4000 S
The right combination for high
productivity
Service weight of carrier in tonnes
1 2
4
6
8
10
15
20
25
30
35
40
45
50
55
60
65
70
75
HM 60
HM 90
HM 140
HM 170
HM 230
HM 350
HM 580
HM 720
HM 780 S
HM 960
HM 1000 S
HM 1500 S
HM 2300 S
HM 2600 S
▼▼
The right hammer for
every carrier
The chart shows how to
match individual hammer
models to carrier service
weights, i.e. the weight of
the respective standard
excavator. The top priority
here is ensuring the stability of the carrier with the
tool attached.
The delivery of the
hydraulic pumps is then of
decisive importance for
the optimal operation of
the hydraulic hammer.
9
HM 3000 S
HM 4000 S
Recommended combinations
Performance figures for
secondary rock breaking
The chart shows guideline
figures for hydraulic hammer performance in secondary rock breaking.
Model
Secondary breaking performance in t/h
HM 720
50 - 150
HM 780 S
60 - 190
HM 1000 S
80 - 250
HM 1500 S
110 - 330
HM 2300 S
Oversizes
140 - 420
HM 2600 S
180 - 540
HM 3000 S
200 - 610
HM 4000 S
230 - 680
0
Performance figures for
demolition
The chart shows performance ranges for the
demolition of reinforced
and non-reinforced concrete structures. The
guideline figures indicated
can vary significantly
depending on operating
and environmental conditions. The performance
data are based on practical results.
Factors influencing work
rates include
• the type of material
being broken
• the degree of reduction
required
• the condition of the carrier and hammer
• the skill/experience of
the operator
Model
100
200
300
400
500
600
These figures are intended as a guideline and are not binding
700
t/h
Performance figures in cubic meters per 8-hour shift
HM 60
5 - 11
HM 90
8 - 16
4-9
HM 140
8 - 23
4 - 14
15 - 42
10 - 28
HM 170
30 - 60
20 - 40
HM 230
45 - 110
30 - 75
HM 350
65 - 130
45 - 90
HM 580
105 - 210
70 - 140
HM 720
non-reinforced concrete
reinforced concrete
HM 780 S
160 - 280
110 - 190
HM 960
160 - 280
110 - 190
210 - 385
HM 1000 S
140 - 255
250 - 490
HM 1500 S
170 - 330
320 - 650
HM 2300 S
210 - 430
390 - 850
HM 2600 S
260 - 565
490 - 1200
HM 3000 S
320 - 810
600 - 1500
HM 4000 S
400 - 1000
0
100
200
300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600
These figures are intended as a guideline and are not binding
m3 / 8 h
Specifications that speak for themselves
10
"Eco line" hydraulic
hammers
Lightweight series
Carrier system: "Vibrosilenced"
hammer box
Add. noise protection:
"Vibrosilenced Plus" as standard
Carrier system: "Vibrosilenced" hammer holder
Eco line
Carrier weight class1)
t
Service weight
kg
2)
Oil flow rate
l / min
Operating pressure
Impact rate
HM 90
HM 140
HM 170
HM 60
HM 90
HM 140
HM 170
HM 230
1-3
1.5-4
2.5-9
5-12
1.2-3
1.9-4.4
2.5-9
5-12
6-13
75
130
210
245
100
165
245
300
380
15-35
25-45
35-55
50-75
15-35
25-45
35-55
50-75
60-90
bar
90-120
90-130
120-140
120-140
90-120
90-130
120-140
120-140
120-150
bpm
570-1700
500-1150
500-1150
500-1000
570-1700
500-1150
500-1150
500-1000
520-1000
-
-
-
-
-
-
-
-
-
Stroke-length switching
1)
HM 60
Working tool diameter
mm
48
62
65
75
48
62
65
75
80
Useful length of tool
mm
340
435
495
500
300
395
450
455
415
Weights apply to standard carriers only. Any variances must be agreed with our after-sales
service department and/or the carrier manufacturer prior to attachment.
2)
Hammer and hammer box with standard adapter plus working
tool.
"Eco line" hydraulic hammers
Medium series
Carrier system: "Vibrosilenced" Additional noise protection: "Vibrosilenced Plus"
hammer box
as standard for HM 350, otherwise optional
ContiLube® II automatic lubrication unit as an option
S = StartSelect: choice of “AutoStart” or “AutoStop”
Eco line
HM 350
HM 580
HM 720
HM 780 S
t
8-15
12-18
15-24
15-26
kg
550
900
1200
1200
l / min
60-100
70-120
90-120
100-140
Operating pressure
bar
130-160
120-180
140-170
160-180
1
2
bpm
440-1000
370-820
350-600
700-1200
340-680
-
-
manual
AutoControl
Working tool diameter
mm
90
100
115
120
Useful length of tool
mm
450
560
615
605
Carrier weight class1)
Service weight2)
Oil flow rate
Impact rate
Stroke-length switching
1)
Weights apply to standard carriers only. Any variances must be agreed with our after-sales
service department and/or the carrier manufacturer prior to attachment.
2)
Hammer and hammer box plus working tool and mediumsized adapter.
11
"Eco line" hydraulic hammers
Heavy-duty series
Carrier system: "Vibrosilenced"
hammer box
HM 960
HM 1000 S
HM 1500 S
HM 2300 S
HM 2600 S
HM 3000 S
HM 4000 S
t
18-34
18-34
26-40
32-50
42-75
55-100
65-120
kg
1600
1700
2200
3000
4200
5800
7000
Eco line
Carrier weight class1)
Service weight
2)
Oil flow rate
Operating pressure
Impact rate
1
2
l / min
130-170
130-160
140-180
210-270
250-320
310-390
360-450
bar
120-140
160-180
160-180
160-180
160-180
160-180
160-180
bpm
360-540
720-960
320-600
280-550
280-540
270-530
280-460
280-450
manual
AutoControl
AutoControl
AutoControl
AutoControl
AutoControl
AutoControl
Stroke-length switching
1)
Additional noise protection: "Vibrosilenced Plus" as an option
ContiLube® II automatic lubrication unit as an option
S = StartSelect: choice of “AutoStart” or “AutoStop”
Working tool diameter
mm
135
140
150
165
180
200
210
Useful length of tool
mm
615
650
650
795
820
905
975
Weights apply to standard carriers only. Any variances must be agreed with our after-sales
service department and/or the carrier manufacturer prior to attachment.
2)
Hammer and hammer box plus working tool and mediumsized adapter.
"Marathon® line" hydraulic hammers
Medium and heavy-duty series
Carrier system: "Vibrosilenced" hammer box
Additional noise protection: "Vibrosilenced Plus" as standard on HM 4000, otherwise optional
Standard equipment:
AutoControl automatic stroke-length switching
DustProtector dust protection facility
ContiLube® II automatic lubrication unit
S = StartSelect: choice of “AutoStart” or “AutoStop”
HM 780 S
HM 1000 S
HM 1500 S
HM 2300 S
HM 2600 S
HM 3000 S
HM 4000 S
t
15-26
18-34
26-40
32-50
42-75
55-100
65-120
kg
1200
1700
2200
3000
4200
5800
7000
l / min
100-140
130-160
140-180
210-270
250-320
310-390
360-450
bar
160-180
160-180
160-180
160-180
160-180
160-180
160-180
bpm
340-680
320-600
280-550
280-540
270-530
280-460
280-450
Marathon® line
Carrier weight class1)
Service weight2)
Oil flow rate
Operating pressure
Impact rate
AutoControl
AutoControl
AutoControl
AutoControl
AutoControl
AutoControl
AutoControl
Working tool diameter
mm
120
140
150
165
180
200
210
Useful length of tool
mm
580
625
605
750
775
810
885
Stroke-length switching
1)
Weights apply to standard carriers only. Any variances must be agreed with our after-sales
service department and/or the carrier manufacturer prior to attachment.
2)
Hammer and hammer box plus working tool and mediumsized adapter.
12
Tools you can trust
The performance, availability and economy of the
hydraulic hammer is heavily dependent on the type
and quality of the working
tool.
Conical point
for multi-purpose use
As a manufacturer of
hydraulic hammers it goes
without saying that we
also produce the appropriate working tools – they
are inseparable and have
to be properly matched.
Flat chisel
for rock-breaking
and demolition work
To ensure that the working
tools are of the required
quality, only special steel
meeting our stringent
specifications is used.
After initial machining
using state-of-the-art CNC
production machines, the
working tools are given
the required hardness by a
rigorously controlled heat
treatment process.
Frequent interim checks are
carried out at all stages of
the manufacturing process,
guaranteeing constant high
quality and impressive
availability in use.
Although it is not easy to
generalize about which
design, i.e. the geometrical shape of the tip, is
most suitable for a given
application, experience
has shown that, in principle, only three different
types are required:
• Conical points designed
as universal tools
• Flat chisel with a crosscut tip
• Blunt tools without a
cutting edge
Other special designs are
available on request.
Blunt tool
for rock-breaking and
reducing oversizes
Working tool lengths
For heavy-duty hydraulic hammers from the
HM 1500 upward, working tools are available in
three different lengths: compact, long, extra long.
Our specalists will be pleased to advise you on the
optimal tool length for your application.
Leading experts in attachment technology
The power for operating
the hydraulic hammer is
supplied by the carrier’s
hydraulic system, and we
have reached agreements
with renowned manufacturers of hydraulic construction and earth-moving equipment around the
world covering the attachment of our hydraulic
hammers.
As a result, many carriers
now feature a hammeroperation facility as standard. Where this is not the
case, Krupp can supply
specially designed conversion kits for carriers, with
specially matched valves,
ensuring optimum utilization of oil delivery and
operation of the hammer
and carrier.
Krupp hydraulic hammers
are mounted on the carrier
via an adapter or a hammer holder. These can be
supplied for all carrier
types, the majority of them
from stock, while new or
special designs can be
engineered and manufactured within just a few
days.
13
Typical applications
14
1
2
3
4
5
6
7
8
9
15
Krupp hydraulic hammers
have been proving their
reliability for many years,
even in the toughest of
conditions.
10
11
Fig. 1:
HM 60 at work stripping
out a building
Fig. 2:
HM 140 demolishing a silo
for chemicals
Fig. 3:
HM 190 used for trenchwork
Fig. 4:
HM 230 at work on concrete
Fig. 5:
HM 580 used for primary
crushing work
Fig. 6:
HM 1000 at work on foundations
Fig. 7:
HM 780 used for demolition work
Fig. 8:
HM 1000 used for pipeline
trenchwork
Fig. 9:
HM 1500 at work on rockbreaking
Fig. 10:
HM 1500 demolishing a
bunker
Fig. 11:
HM 2100 used for trenchwork in an inner-city
area
Fig. 12:
HM 1500 at work on rockbreaking
Fig. 13:
HM 2100 quarrying
Fig. 14:
HM 2000 tunneling
Front
cover:
HM 4000 used for quarry
work
Page 2
HM 4000 used for quarry
work
Page 7
HM 2500 at work breaking
up concrete under water
12
Page 19 HM 4000 used for heavyduty foundation breaking
13
14
16
High quality manufacturing
Krupp hydraulic hammers
are manufactured by experienced specialists,
• from high-grade materials
• using state-of-the-art NC
and CNC machine tools
• temperature and holding
times are observed with
painstaking accuracy
during the multi-stage
heat treatment process
• meticulous standards
are applied to machining
work
• special welding processes are used for the hammer boxes, holders,
brackets and adapters.
Rigorous interim checks
are carried out at all
stages of the manufacturing process, while each
individual hammer is subjected to a lengthy final
inspection under operating conditions on a computerized test rig.
The entire manufacturing
process is subject to the
strict regulations of an
ISO 9001-certified quality
control system.
The result: all Krupp
hammers are high-performance, top quality
products which guarantee
your on-site success!
Delivery from stock – quick and efficient
Over 11,000 items are held
permanently in stock to
ensure quick and reliable
delivery.
Hundreds of orders are
processed daily in our
central warehouse in
Essen, and in the majority
of cases, delivery can be
effected on the same day
the order is received. Our
customers and authorized
distributors can rest safe in
the knowledge that hammers, wear parts, accessories and working tools
can be supplied in the
shortest possible time.
Atlas Copco Construction
Tools attaches great
importance to packaging
to ensure that all parts
arrive undamaged.
17
18
Sales and service:
on your doorstep – worldwide!
Wherever you may be,
help is never far away: our
engineers and service personnel will be pleased to
help with questions on
matters such as on-site
applications, selection of
the right hammer for the
carrier, mechanical and
hydraulic connection, theoretical and practical training of operating personnel, and the repair of hammers and accessories.
The experienced staff of
our authorized distributors
around the world can provide the right advice on all
matters. Training at regular intervals, either in
Essen or at the distributors' own premises,
ensures that they can deal
with all your questions
and problems concerning
the use of hydraulic hammers. In addition, the distributors provide a full
after-sales service and will
supply you with genuine
Krupp working tools and
spare parts from stock.
www.hydraulic-attachments.com
Subject to technical modifications
PMI 3390 0504 01a
MN AC0082 gb16 05.2003-2500 Pt.-Id. No. 3002038
www.atlascopco.com